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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 5, Problem 13QP
Textbook Problem
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If there is no genetic variation within a population for a given trait, what is the heritability for the trait in the population?

Summary Introduction

To determine: The value of heritability for the trait in the population, when there is no genetic variation within a population for a given trait.

Introduction: Phenotypic variation is a measure of the interaction between the genotype and its environment, which is observed in a population. Heritability is used to express the relation between the genetic and environmental variance and it is also used to express the fraction of the phenotypic variation.

Explanation of Solution

When the proportion of the phenotypic variation is caused by different genotypes, it is known as the heritability of a trait. Heritability is calculated in terms of ‘correlation coefficient’. Correlation coefficient expresses the fraction of genes that are shared by two relatives...

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