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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 18, Problem 3QP
Textbook Problem
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One of the models for behavioral traits in humans involves a form of interaction known as epistasis. What is epistasis?

Summary Introduction

To determine: The term epistasis.

Introduction: Many studies based on pedigree analysis, adoption studies, family studies, and twin studies showed that genetic components are involved in many parts of human behavior. Genetic and behavior models are required to explain observed patterns of inheritance or interaction of traits that control behavior.

Explanation of Solution

Many models for genetic effects on behavior have been proposed to understand the pattern of inheritance, which is a result of gene interaction. The model of single gene with dominant and recessive pattern of inheritance is the simplest model.

The interaction of two or more non-allelic genes that influences the same phenotype is called as ‘epistasis’...

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