Wednesday, August 26, 2009

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Now, please begin reading pages 2 - 14

Friday, June 4th, 2010 In Class and Homework

Planet Earth with juniors.

Thursday, June 3rd, 2010 - In class

Last day for seniors! Planet Earth day

Wednesday, June 2nd

We used microscopes to check our Gram stain slides, and then answered the final lab questions and turned them in.

Tuesday, June 1st, 2010 - In class and homework

We examined our plates to check for the effectiveness of the antibiotics (we measured and recorded each type's "zone of inhibition"). We then performed a gram stain on our 2 species of bacteria and recorded our findings. We will wrap up the lab with a few summary questions tomorrow.

Friday, May 28th In Class and Homework

We streaked plates with 2 "unknown" species of bacteria (1 per student) and added 3 different antibiotics (as well as a control) to each of 4 quadrants. We will incubate these over the weekend and check the results (as well as conduct Gram staining) on Tuesday.

Thursday, May 27th 2010

We had to postpone day 2 of our bacteria lab - the plates for two of the species needed to be restreaked. We watched planet earth (period 6 - shallow seas, period 7 - mountains) and some students used the computers to finish up yesterday's in class work.

Wednesday, May 26th, 2010 In Class and Homework

(No classes yesterday due to Exhibition Day). We used the computers to conduct introductory research connected to Gram staining - the procedure, why it is used and what one will find. We will streak plates tomorrow and conduct the staining Friday.

Monday, May 24th 2010 In Class and Homework

Another "Planet Earth" day today - Per 6 watched "Mountains" and Per 7 watched "Caves".

Friday, May 21st 2010 In class and Homework

(Substitute Teacher) We watched planet earth -the great plains.

Thursday, May 20th 2010 In class and homework

Day 3 of the biotech lab - we used 5 microliters of our PCR samples (mixed with dye) in fast gel chambers in order to see the results compared to known samples and a DNA ladder. Although we had so so results, we were able to see the samples (at least some) migrate through the gels.

Wednesday, May 24th 2010 In Class and Homework

Day 2 of the Biotech lab. We added the master mix to each person's DNA sample and placed this into a thermocycler (to run 40 cycles). We will complete the lab tomorrow.

Tuesday, May 18th, 2010 In class and homework

We postponed day 2 of the biotech lab until tomorrow (in order for the number of students absent from yesterday can get back into what is going on). We viewed a Planet Earth video today. The homework is to be prepared for our PCR day tomorrow.

Monday, May 17th, 2010 - In class and homework

We completed day 1 of our Biotech lab today - primarily obtaining and isolating a cheek cell DNA sample from each student. We used the micropipets and centrifuge, as well as water baths of 2 temperatures to do this. Our samples are in the refrigerator waiting for day 2 of the lab. There is no homework

Friday, May 14th, 2010 In class and Homework

We prepared for Monday's lab by reading six pages from the lab handout (3 pages explaining the purpose of the lab and 3 pages describing what will be done Monday - day 1) and went over the specifics. We then viewed approx 15 - 20 minutes of the planet earth video "seasonal forests".

Thursday,May 13th 2010 In class and Homework

We watched another Planet Earth Video. There is no homework.

Wednesday, May 12th In class and homework

The biotech lab directions, etc. was handed out and the 1st 3 pages were read. We then practiced with the centrifuges and the micropippetters. We will complete the lab next week. There is no homework.

Tuesday, May 11th, 2010 In class and homework

We viewed "The Evolutionary Arms Race" In class. There is no homework

Monday, May 10th, 2010 - In class and homework

AP Exam Day! (8:00 AM - 12:00 Noon). We viewed a planet earth video (fresh water in 6th period). No homework

Friday, May 7th, 2010 In class and homework

We will continue to use the computers to view plant function (and structure) animations. The homework is to prepare for the AP exam - good luck!

Thursday, May 6th, 2010 In class and Homework

We used the computers to view many of the plant animations connected to our book (the Campbell site) - dealing with Chapters 35 - 39. This was completed to help prepare for Monday's AP exam (study for homework).

Wednesday, May 5th 2010 In class and Homework

We watched the 1st 40 minutes of the video "Sexual Encounters of the Floral Kind" to see some of the reproductive strategies of flowering plants (and to see how structure suits function), Those who had not yet completed the flower dissection or the plant slide sketches worked on this. The homework is to continue to prepare for Monday's AP exam.

Tuesday, May 4th 2010 In class and homework

We performed a brief flower dissection in class - isolating and identifying the major reproductive parts. We also decided whether this plant was a monocot or (eu)dicot based on its characteristics. The homework is to continue to prepare for the AP exam Monday.

Monday, May 3rd 2010 In class and homework

We used class as a "catch-up" day - to complete our slide drawings (from Friday) or to begin them if absent Friday. Plant Chapter summaries were passed out to help for preparation for next Monday's test. The homework is to continue to prepare for next week's AP Bio exam.

Friday, April 30th, 2010 In Class and Homework

We used the microscopes to view and sketch slides showing monocot and dicot roots leaves and stems. Also, additional practice exams, both multiple choice and extended response, were available for students to pick up for practice. The homework is to continue preparing for the AP Biology Test.

Thursday, April 29th 2010 In class and Homework

A 4 page handout dealing with the important aspects of chapter 30, 35 and 38 was introduced. Students spent the period answering questions and drawing a diagram about different aspects of plant structure and function. Microscopes to view and sketch prepared slide specimens will be used tomorrow. The homework is to be through page 2 of the handout by tomorrow.

Wednesday, April 28th 2010 In class and homework

The instructor used a variety of animations to cover nerve cell function and muscle contraction. The homework is to read the 1st 7 pages of chapter 35 (plant structure).

Tuesday, April 27th, 2010 In class and Homework

The animal systems packet is due today. We spent the period using the computers and going to the Campbell site - Chapter 45 - to look at animations and to answer questions about the endocrine system (hormones). There is no new homework - only for those not finished with their mammalian system packets.

Monday, April 26th, 2010 - In class and homework

Students were given a key to the practice exam and were encouraged to check their work. The students had the remainder of the period to work on their systems packet. This is due tomorrow.

Friday, April 23rd, 2010 In class and Homework

(Note - Day 2 with a substitute due to a teacher conference). Students finished up the practice AP exam (handed out yesterday) and then worked on the animal systems packet. The homework is to continue to work on the packet (due Tuesday).

Thursday, April 22th, 2010 - In class and homework

(Note - Day 1 with a substitute due to a teacher conference). Each student received a 100 multiple choice question practice AP exam and spent the period working on this. The homework is to a) finish this if not in class tomorrow or b) continue to work on thie systems packet.

Wednesday, April 21st 2010 - In Class and Homework

We spent the period with the instructor using an animation from McGraw Hill to review the immune response; and then using the Campbell web site to show the animations concerned with Osmoregulation (the structure and function f kidneys). The homework is to continue to work on the animal systems packet.

Tuesday, April 20th - In class and homework

The students used the computers to study the last activity on the campbell site - Chapter 42 (the respiratory system) and immune response (Chapter 43). The homework is to complete pages 19 -21 of the Animal Systems packet.

Monday, April 19th, 2010 - In class and homework

We spent the period using the Campbell web site to go over the digestive and circulatory systems. The homework is to complete page 18 of the animal systems handout.

Friday, April 16th, 2010 In class and Homework

Day 5 of Mink dissection - primarily the muscles of the lower leg and cleanup. Homework is pages 13 - 17 of animal systems packet

Thursday, April 15th, 2010 - In class and homework

Day 4 of Mink dissection - primarily the excretory and the reproductive systems. Homework is pages 10 - 12 of animal systems packet

Wednesday, April 14th 2010 - In Class and Homework

Day 3 of Mink dissection - primarily the circulatory and the digestive system. Homework is pages 7 - 9 of animal systems packet

Tuesday, April 13th - In class and homework

Day 2 of Mink dissection - primarily the upper chest and beginning of the digestive system. Homework is pages 4 - 6 of animal systems packet

Monday, April 12th, 2010 - In class and homework

We had 3 handouts today - our comprehensive animal systems packet (completed = 50 test points), our mink dissection guide, and our mink diagrams). We spent the 1st half of the period going through the chapter 40 online activities (tissue types and feedback types). We then picked up, rinsed and bagged & tagged our minks. The homework is to complete the 1st 3 pages of the animal systems packet.

Friday, April 9th, 2010 In class and Homework

(Substitute day) Quiz covering the material from Chapters 27, 28 and 31. The homework is to read the 1st 2 sections of chapter 40.

Thursday, April 8th, 2010 - In class and homework

(Substitute day) - The students spent the period reading and writing about the major characteristics and evolutionary milestones of plants and animals. The homework is to study for tomorrow's quiz (25 points covering chapters 27, 28 and 31 - the 2 study guides and the lab may be used for during the test.)

Wednesday, April 7th 2010 - In Class and Homework

We reviewed the important points for chapters 28 and 31 - (Quiz Friday) - students were given time to complete packets. Homework is to complete them

Tuesday, April 5th, 2010 - In Class and Homework

Notes - substitute teacher in today; no school for students yesterday due to grading day. The students worked on a 3 page handout with questions about the general characteristics and significant features of the fungi kingdom. The homework is to finish this handout.

Thursday, April 1st 2010 In class and Homework

We completed the observations for our Protist Survey Lab (6 additional slides). The homework is to complete the questions.

Wednesday, March 31st In class and homework

We wrapped up chapter 27 by going over the "Test Your Knowledge" section of our handouts. We then introduced protists and began a simple survey lab using prepared slides. We then received our Evolution tests back, with the opportunity to do test corrections (This is our homework).

Tuesday, March 30th - In class and homework

We continued chapter 27 work today - we used the computers to go through the 1st Campbell activity. Then we downloaded (or opened) the chapter 27 powerpoint from the link at the right (Costabiology) and studied slides 1-6 and 11 - 15 (there is a note handout that was given out in class). Finally, we took a "Test Your Knowledge" formative assessment from the handout in class. The homework is to finish any work not completed in class.

Monday 3/29/10 - In Class and Homework

Welcome back from spring break. After a brief overview of the next few weeks, we began a study guide for the important aspects of Chapter 27 (Prokaryotes). The homework is to complete the packet

Thursday, March 18th, 2010 - In class and homework

Evolution Test. Homework is optional packet covering chapters 11, 21, 25 and 26

Wednesday ,March 17th 2010 - In Class and Homework

Review day for tomorrow's Evolution test (Homework is to study for the test).

Answers to Chapter 22-24 Formative Assessment

1-d, 2-b, 3-a, 4-b, 5-d, 6-d, 7-b, 8-b, 9-d, 10-b, 11-c, 12-d, 13-e, 14-e, 15-c, 16-a, 17-c, 18-b, 19-d, 20-e, 21-b, 22-e, 23-b, 24-b, 25-d, 26-c, 27-c, 28-c, 29-b, 30-b, 31-a, 32-e, 33-a, 34-b, 35-b, 36-b, 37-c, 38-d, 39-a, 40-e

Tuesday, March 16th, 2010 In Class and Homework

We spent the 1st half of the period continuing to go through the Chapter 24 Powerpoint, emphasizing specific reproductive barriers, allopatric and sympatric speciation and the terms "adaptive radiation" and "punctuated equilibrium". We spent the last 20+ minutes beginning to take a formative assessment covering the past three chapters. The homework is to finish this assessment, anf check the answers (above)' as well as continue to study for Thursday's Test (Chapters 22 - 24).

Monday 3/15/10 - In Class and Homework

We used the computers in class today to view an animation (an overview of macroevolution) and to complete an investigation (how new species arise due to genetic isolation) on the Campbell site - Chapter 24. We spent the last 10 - 15 minutes going through the ch 24 powerpoint and beginning to take notes on pre and post zygotic reproductive barriers. The homework is to begin studying for the Test Thursday - covering material from Chapters 22 - 24.

Friday, March 12th - In class and Homework

(Substitute Teacher today). Students worked on describing/explaining objectives related to chapter 24. The homework was to finish this activity.

Thursday, March 11th, 2010 - In class and homework

For those who completed it, we turned in the Population Genetics Lab (otherwise there will be a Help session early Monday). We spent the period going over the chapter 23 study guide. The homework is to read the 1st 5 pages of chapter 24.

Wednesday ,March 10th 2010 - In Class and Homework

We continued with the data gathering portion of our populations genetics lab. We finished part 1 and also completed parts 2 and 3. We put the results on the board and spent the rest of the (shortened) period working on the questions and problems. The completed lab is due tomorrow.

Tuesday, March 9th - In class and homework

We handed in our bead population genetics lab (if not turned in yesterday). We started the "Population Genetics and Evolution" Lab (AP Lab 8) - including the PTC paper and the Hardy Weinberg equilibrium case (with the "A" cards). The homework is to complete the chaptet 23 study guide.

Monday 3/08/10 - In Class and Homework

(Note - periods were shortened to 27 minutes due to OGT's) We continued to work on our population genetics lab (we gathered our data Friday). The homework is to complete the remainder of the lab

Friday, March 5th 2010 In class and Homework

We began a population lab comparing the environmental component and allele frequencies (we used beads, and a die for this). The homework is to read section 23.4 and to complete the Interactive questions (from our study guide) 23.1 - 23.4

Thursday, March 4th, 2010 - In class and homework

We solved 4 Hardy Weinberg problems in class today. The answers are to the right. The homework is to read the next 2 sections (23.2 and 23.3).

Wednesday ,March 3rd 2010 - In Class and Homework

We spent the period looking at the chapter 22 power point and going over the information related to the Chapter 22 objectives. We then introduced Chapter 23 - Population Genetics - with the 1st few slides of the chapter 23 power point. We also received the chapter 23 objectives. We introduced the concept of Hardy-Weinberg equilibrium. The homework is to read 23.1

Tuesday, March 2nd - In class and homework

We used the computers to complete an online investigation from the Campbell site (How do environmental changes affect a population?). Students observed changes in a population based on environmental changes (and filled out tables and graphs as well as answering some questions). In the remaining time, students could play the Darwin game (Who wants to live a million years?) by using the link on the right margin. The homework is to finish reading chapter 22.

Monday 3/01/10 - In Class and Homework

The chapter 22 Objectives were handed out today. Most of the objectives had room to write supporting information helping explain or describe Darwin's work or his influences. Students had time to work on the objectives. The video was continued during the last 15 minutes. The homework is to read 22.3

Friday, February 26th 2010 In class and Homework

Quiz on chapter 20 Bio techniques. We spent the last 15 -20 minutes watching the video "Darwin's Dangerous Idea" from the PBS Evolution Series. The homework is to read the 1st 2 sections of chapter 22.

Thursday, February 25th -In Class and Homework

We spent the period reviewing for tomorrow's quiz, going over the different biotechnology lab procedures (the focus of the quiz). We used the Campbell site and some other animations to aid in the review. The homework is to study for the quiz.

Tuesday, February 23rd 2010 - In Class and Homework

We reinforced what we learned over the past few days by using the computers and viewing animations of the lab techniques related to biotechnology. The links are at the right. We also introduced a new technique - microarray assay. Objectives for chapter 20 and a note page for the microarray method were handed out. The homework is to read up through page 402.

Monday, February 22nd - In class and homework

The students who prepared for the same techniques to teach were grouped together and double checked their information. Each student then picked up the 4 sheets (all different colors) for the techniques to be taught to them. The students were then put into groups of 3 or 4 and taught their specific technique to the other students. The homework is to read pages 384 - 394 (20.1 and 20.2)

Friday, February 19th 2010 In class and Homework

Each student was assigned 2 research methods related to gene technology. After reading the 1st page of the chapter 20, the remainder of the period was spent preparing to teach the specifics of each technique. This should be finished for homework. Also, the most recent test was handed back and the test correction procedure was explained.

Thursday, February 18th -In Class and Homework

We spent the period going over the 3 part formative assessment for chapter 19 (activity quiz, self quiz and chapter quiz). We used a powerpoint to help show visuals to answer questions.Te students were informed the scores for the chapter 17 & 18 tests were online and that students could come in before school or during office hours to correct wrong answers (with support) to receive 1/2 credit back. The home work is to review chapter 19 material and to make sure to have a textbook in class tomorrow.

Wednesday , February 17th 2010 - In Class and Homework

We used the computers to take a 3 part formative assessment - 52 questions total. After the scores were recorded by the instructor, the remainder of the period was spent (re)reading the remainder of the chapter and asking questions. The homework is to review chapter 19 (particularly sections 19.2, 3 and 4).

Tuesday, February 16th

No school - snow day!

Monday 2/15/10

No school - Presidents' day!

Friday, February 12th 2010

No school

Tuesday, February 16th In class and homework

We shared our "research" covering topics in 19.2 (primarily) so we should all have the 5 pages from the packet completed. The homework is to read the remainder of chapter 19 (sections 19.4 and 19.5)

Wednesday, Feb 10th

No school (again!) - snow day.

Tuesday, Feb. 9th

No school - snow day!

Monday 2/08/10 - In Class and Homework

Time was given in class to use the computers to help continue learning about the material in 19.2 (Using the Campbell web site animations as a tool). The last 15 minutes or so was spent working in small groups preparing to teach the material to 2 or 3 other students tomorrow. The homework is to complete your preparation.

Friday, February 5th 2010 - In class and Homework

We received a 5 page handout (as well as the Chapter 19 objectives) dealing with Sections 19.1 and 19.2. 19.2 has some challenging material so we are breaking it down in a way to help teach each other, (taking notes, etc.). The homework is to continue to work on teaching preparation.

Thursday, February 4th -In Class and Homework

We began the period by reading the 1st 2 and 1/2 pages of section 19.2 - focusing in on the regulation of genes by affecting chromatin structure. We then watched a clip from "NOVA Science Now" dealing with a Hot Topic - Epigenetics. After a brief discussion, we finished class beginning the reading of the Jan 18th, 2010 Time Magazine cover story - "Why your DNA isn't your destiny" . The homework is to finish reading this article as well as the other 2 page handout dealing with Epigenetics.

Wednesday , February 3rd 2010 - In Class and Homework

We took the chapter 17 and 18 test in class today. The homework is to read 19.1 (pages 359-361)

Tuesday,February 2nd - In class and Homework

Today was a study day for tomorrow's ch 17 and 18 test. Resources included the answers to yesterday's practice questions (on the overhead), computers available to access the Campbell site including practice quizzes, and the instructor available to answer questions. The homework is to prepare for tomorrow's test.

Answers to the Chapters 17 and 18 practice test questions

Chapter 17: 1-d, 2-a, 3-b, 4-e, (5-c), (6-b), 7-c, (8-c), 9-b, (10-e), (11-d), 12-d, (13-d), 14-c, (15-b), 16-e, (17-e), (18-b), (19-b), (20-a), 21-a, (22-d), 23-e, 24-b
Chapter 18; 1-b, (2-d), 3-c, 4-e, 5-a, 6-d, (7-b), 8-b, 9-c, 10-d, (11-a), (12-b), 13-a, 14-e, 15-c, 16-d, 17-c, 18-e, 19-b, 20-a or d, (21-d), 22-e, 23-b, 24-c, 25-a, (26-a), Matching: 1-C, 2-D, 3-G, 4-E, 5-F, 6-B, 7-A, 8-H

Monday 2/01/10 - In Class and Homework

The 1st part of class was spent using two animations to help explain the concept of an operon (specifically an inducible operon (lac) and a repressible operon (trp). The 2nd 1/2 of the period was spent taking the practice test at the end of ech chapter study guide (17 and 18). The answers to each are posted above.

Friday, January 29th 2010 - In class and Homework

We spent the 1st half of the period continuing to work on chapter 18 objective notes and study guide interactive questions. The last 1/2 was spent discussing 18.3 using some powerpoint slides - particularly with respect to methods of genetic variability in prokaryotes. It was decided the Test covering the material in chapters 17 and 18 would be put off until Wednesday. The homework is to finish up Chapter 18 work.

Thursday, January 28th -In Class and Homework

We went over the virus concept map and discussed the lytic and lysogenic cycles. We then used the computers to view the Campbell activity 18.4 (lac operon) while answering the questions handed out yesterday. The homework is as follows: Read 18.3, complete the notes for objectives 13-18 and complete interactive questions 18.4 and 18.5. There will be a 40 point assessment covering the material from Chapters 17 and 18 next Tuesday.

Wednesday January 27th, 2010 - In Class and Homework

We used the computers today to view and write about 2 simulations - about a retrovirus and a prokaryotic gene control process called an operon. The web site for the former is to the right and for the latter is on the Campbell site (18.4 activity). The homework is to continue the note pages (from yesterday) for objectives 8 through 12 as you are reading pages 342 - 346.

Tuesday, January 26th - In class and Homework

We wrapped up chapter 17 by looking at 2 mutation animations (showing frameshift and nonsense mutations). We then began work on chapter 18 with the objectives and the chapter 18 study guide. We spent the remainder of the period reading the beginning of chapter 18 and taking notes about the objectives. By tomorrow we should have the following completed: Reading pages 334 -342, notes for objectives 1 -7 and interactive q's 18.1 - 8.3

Monday 1/25/10 - In Class and Homework

We reviewed the process of protein synthesis by going through the campbell animations (overview, transcription, mRNA processing and translation). We also went through many of the study guide interactive questions (Chapter 17). We then passed back the chapter 15 & 16 quiz and explained there will be a requiz possibility, after some additional practice (and mastery). The homework is to review chapter 17 - connecting to the objectives.

Friday, January 22nd 2010 - In class and Homework

We wrapped up our protein synthesis Lab today (lab sheets were turned in). The homework is to read the remainder of chapter 17 (pages 327 - 331) and to complete the remaining interactive q's from the study guide

Thursday, January 21st -In Class and Homework

we began our protein synthesis lab (this is a "2 in 1" lab - both an analogy {sentence} lab and a simulation {building a polypeptide}). We used props simulating a DNA strand, a mRNA strand, tRNAs, a ribosome and amino acids. The homework is to review sections 17.2 - 17.4.

Wednesday January 20th, 2010 - In Class and Homework

(No school for students Monday and Tuesday). We used the computers in class to observe and write notes about animations dealing with protein synthesis (specifically - transcription and translation). Handouts included a chapter 17 objectives sheet, a note sheet to describe the animations and a chapter 17 study guide. The homework is to read sections 17.3 and 17.4 and to complete the study guide questions 17.1 - 17.4

Friday, January 15th 2010

We took a quiz (30 multiple choice questions) over chapters 15 ad 16. If finished before the end of class, we could begin working on the homework - reading the 1st 2 sections of Chapter 17 (pages 309 -317)

Thursday, January 14th -In Class and Homework

We spent the period reviewing for tomorrow's quiz (Chapters 15 and 16). This included taking the "test your knowledge" formative assessment for chapters 15 and 16, (and then checking the answers). We also went over any questions from last night's homework. The homework is to prepare for tomorrow's quiz.

Wednesday January 13th, 2010 - In Class and Homework

We viewed 3 animations concerning DNA replication (including the Meselson Stahl experiment). The homework is to complete the activities quiz for chapter 16 (From our book site). We will have a 30 question quiz Friday - covering chapters 15 and 16.

Tuesday, January 12th - In class and Homework

We built a 12 base pair segment of DNA in class today, working primarily by ourselves, then with a partner, then in groups of 4. We emphasized the 3 dimensional nature of dna and what it allows the molecule to do (preserve the information, etc.). If any time remains, we started reading 16.2. The homework is to complete the reading of 16.2 as well as answer the study guide interactive q's 16.3 to 16.5. There will be a 30 point quiz on Friday, covering chapters 15 and 16.

Monday, January 11th 2010 - In class and Homework

We began class by scanning all the questions assigned last thursday (primarily the chapter 15 activities quiz and chapter quiz - both formative assessments). Students were able to ask about any questions; as well as those from the chapter 15 study guide. Two handouts were then given - the chapter 16 study guide and the chapter 16 expectations. The remainder of the period was spent reading section 16.1. The homework was to finish reading 16.1 and complete the study guide interactive questions 16.1 and 16.2.

Thursday, January 7th -In Class and Homework

We used the computers today - we completed the interactive activities for chapter 15, having to do with linked genes, crossing over, sex linkage and polyploidy. We then took the pretest and the activities test (as formative assessments). The homework is to take the Chapter test (as an additional formative assessment). We will test chapters 15 and 16 together, most likely in approx 10 days.

Wednesday January 6th, 2010 - In Class and Homework

We completed the data gathering for our Gene Linkage Lab - we used the class data as well as our individual data to compute map units. The homework is to finish the lab computations and questions. Also, read pages 285 - 290 and complete Interactive questions 15.6 - 15.8

Tuesday, January 5th - In class and Homework

We completed the 1st half (approx.) of our gene linkage lab. The homework is to read section 15.3 and the complete the interactive question 15.5 on the study guide. We will continue the lab tomorrow

Monday, January 4th 2010 - In class and Homework

Welcome back! We began Chapter 15 today - we had 3 handouts - objectives, a gene linkage lab and a study guide for chapter 15. We had silent reading for the 1st 25 - 30 minutes (sections 15.1 and the 1st part of 15.2). We spent the last 15 - 20 minutes assembling a pair of homologous chromosomes using beads. These will be used in the gene linkage lab. The homework is to finish reading 15.2 and to answer the 1st 4 interactive q's from the study guide.