You are observing a grouse population in which two feather phenotypes are present in males. One is relatively dark and blends into the shadows well, and the other is re
You are observing a grouse population in which two feather phenotypes are present in males. One is relatively dark and blends into the shadows well, and the other is re
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter19: Population Genetics And Human Evolution
Section: Chapter Questions
Problem 8QP: How Can We Measure Allele Frequencies in Populations? In a population where the females have the...
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- You are observing a grouse population in which two feather
phenotypes are present in males. One is relatively dark and blends into the shadows well, and the other is relatively bright and more obvious to predators. The females are uniform dark feathered. Observing the frequency of mating between females and the two types of males, you have recorded the following:- Mating’s with dark feathered males: 13
- mating’s with a bright feathers male: 32
Propose a hypothesis to explain why females apparently prefer bright feathered males. What selective advantage might there be in choosing a male with alleles that make it more susceptible to predation? What data would help test this hypothesis?
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