2 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265810467
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 20.2, Problem 1LO
Explain the Hardy–Weinberg principle.
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Discussion Questions:
Part One
Why were the plants kept in the dark prior to the experiment? Why is this important?
Why is it important to boil the leaf?
Explain why it was necessary to use boiling alcohol?
What is the purpose of the iodine?
Part Two
What was the purpose of keeping the leaf in the dark and then covering it with a cardboard cut-out?
What conclusions can you draw from this part of the lab?
Part Three
7. In this experiment what was the purpose of adding the soda lime?
8. Why was a sealed bag placed around each plant?
9. What happened in the control plants?
10. What was the result on photosynthesis?
Part Four
11. Why was a variegated leaf used in this experiment?
!2. What conclusions can you draw about starch production in a variegated leaf?
How did the color differences between the two bacterial species you used in this experiment help you determine if the streak plate method you performed was successful?
series of two-point crosses were carried out among six loci (a, b, c, d, e and f), producing the following recombination frequencies. According to the data below, the genes can be placed into how many different linkage groups?
Loci
a and b
Percent Recombination
50
a and c
14
a and d
10
a and e
50
a and f
50
b and c
50
b and d
50
b and e
35
b and f
20
c and d
5
c and e
50
c and f
50
d and e
50
d and f
50
18
e and f
Selected Answer:
n6
Draw genetic maps for the linkage groups for the data in question #5. Please use the format given below to indicate the genetic distances.
Z
e.g. Linkage group 1=P____5 mu__Q____12 mu
R
38 mu
5 Linkage group 2-X_____3 mu__Y_4 mu
sanight
Chapter 20 Solutions
2 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 20.1 - Define evolution and population genetics.Ch. 20.1 - Prob. 2LOCh. 20.2 - Explain the HardyWeinberg principle.Ch. 20.2 - Describe the characteristics of a population that...Ch. 20.2 - Prob. 3LOCh. 20.3 - Define the five processes that can cause...Ch. 20.3 - Prob. 2LOCh. 20.4 - Prob. 1LOCh. 20.4 - Prob. 2LOCh. 20.4 - Demonstrate how the success of different...
Ch. 20.5 - Prob. 1LOCh. 20.5 - Prob. 2LOCh. 20.5 - Prob. 3LOCh. 20.6 - Define frequency-dependent selection, oscillating...Ch. 20.6 - Prob. 2LOCh. 20.7 - Define and contrast disruptive, directional, and...Ch. 20.7 - Prob. 2LOCh. 20.8 - Explain how experiments can be used to test...Ch. 20.9 - Prob. 1LOCh. 20.9 - Prob. 2LOCh. 20.10 - Prob. 2LOCh. 20 - If all white cats died, what proportion of the...Ch. 20 - Assuming that the values on the x-axis represent...Ch. 20 - Prob. 3DACh. 20 - Prob. 4DACh. 20 - Examine the index of copper tolerance on nonmine...Ch. 20 - Prob. 6DACh. 20 - Why are rare alleles particularly likely to be...Ch. 20 - Prob. 2IQCh. 20 - Prob. 3IQCh. 20 - Prob. 4IQCh. 20 - Prob. 5IQCh. 20 - Prob. 6IQCh. 20 - Prob. 7IQCh. 20 - Prob. 8IQCh. 20 - Prob. 9IQCh. 20 - Assortative mating a. affects genotype frequencies...Ch. 20 - When the environment changes from year to year and...Ch. 20 - Many factors can limit the ability of natural...Ch. 20 - Stabilizing selection differs from directional...Ch. 20 - Founder effects and bottlenecks are a. expected...Ch. 20 - Relative fitness a. refers to the survival rate of...Ch. 20 - For natural selection to result in evolutionary...Ch. 20 - Prob. 8UCh. 20 - In a population of red (dominant allele) or white...Ch. 20 - Genetic drift and natural selection can both lead...Ch. 20 - Prob. 3ACh. 20 - Prob. 4ACh. 20 - In Trinidadian guppies a combination of elegant...Ch. 20 - On large, black lava flows in the deserts of the...Ch. 20 - Based on a consideration of how strong artificial...
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