In a certain population, a previously neutral, homozygous recessive gene (aa) becomes lethal through changed environmental circumstances. The frequency of the recessive allele (q) was 0.5 before the environmental changes. (i) What was the genotype distribution when the recessive genotype was not selected against / selectively neutral? What will be the allelic frequency after one generation in the altered generation? Assume random mating among the breeding population. (ii) (iii) What will be the genotype frequency of the progeny breeding population?

In a certain population, a previously neutral, homozygous recessive gene (aa) becomes lethal through changed environmental circumstances. The frequency of the recessive allele (q) was 0.5 before the environmental changes. (i) What was the genotype distribution when the recessive genotype was not selected against / selectively neutral? What will be the allelic frequency after one generation in the altered generation? Assume random mating among the breeding population. (ii) (iii) What will be the genotype frequency of the progeny breeding population?

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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