Human Heredity: Principles and Issues (MindTap Course List)
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 11, Problem 7QP
Summary Introduction

To explain: The reason why X-linked recessive allele of muscular dystrophy may be present in the family of the employee which affected his son.

Introduction: X-linked recessive alleles are expressed in homozygous individuals. Mother can be a carrier of the mutated X-linked recessive allele because she is heterozygous for the condition and did not develop any diseased condition.

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