Consider a locus with two alleles and fitnesses WAA = 1, WAB = 1, WBB = 1. The initial %3D frequency of B is 1/2N, where N is the population size. Which of the following changes would increase the chance of B to fix? Decreasing the fitness of AB Increasing the fitness of AA. Increasing the population size by adding more AA individuals. Increasing its frequency.

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
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Consider a locus with two alleles and fitnesses WAA = 1, WAB = 1, WBB = 1. The initial
%3D
frequency of B is 1/2N, where N is the population size. Which of the following changes
would increase the chance of B to fix?
Decreasing the fitness of AB
Increasing the fitness of AA.
Increasing the population size by adding more AA individuals.
Increasing its frequency.
Transcribed Image Text:Consider a locus with two alleles and fitnesses WAA = 1, WAB = 1, WBB = 1. The initial %3D frequency of B is 1/2N, where N is the population size. Which of the following changes would increase the chance of B to fix? Decreasing the fitness of AB Increasing the fitness of AA. Increasing the population size by adding more AA individuals. Increasing its frequency.
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