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Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052

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BuyFindarrow_forward

Human Heredity: Principles and Iss...

11th Edition
Michael Cummings
Publisher: Cengage Learning
ISBN: 9781305251052
Chapter 19, Problem 20QP
Textbook Problem
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Natural Selection Affects the Frequency of Genetic Disorders

Will a recessive allele that is lethal in the homozygous condition ever be completely removed from a large population by natural selection?

Summary Introduction

To determine: Whether a recessive allele that a lethal in the homozygous condition ever be completely removed from the large population by natural selection or not.

Introduction: Allele refers to a pair of genes present on a chromosome. The allele is responsible for hereditary traits in organisms. Alleles are generally present in pairs of two. The genotypic composition of an organism is of two types: homozygous and heterozygous.

Explanation of Solution

The phenomenon of natural selection is based on the evolutionary changes that occur within the population. In natural selection an allele will not be completely removed if it is lethal in homozygous condition...

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Chapter 19 Solutions

Human Heredity: Principles and Issues (MindTap Course List)
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