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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 6, Problem 26QP
Textbook Problem
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Fragile-X syndrome causes the most common form of inherited intellectual disability. What is the chromosomal abnormality associated with this disorder? What is the phenotype of this disorder?

Summary Introduction

To determine: The chromosomal abnormality associated with inherited intellectual disability due to the fragile-X chromosome.

Introduction: Fragile X syndrome is a genetic condition that causes a range of developmental problems including learning disabilities and cognitive impairment. Usually, males are more severely affected by this disorder than females.

Explanation of Solution

Fragile X syndrome is the most common inherited cause of intellectual disability, in which males are commonly more affected than females. Fragile X syndrome affects about 1/4000 males and 1/8000 females. Females with the disorder are typically less impaired than males...

Summary Introduction

To determine: The phenotype of the chromosomal abnormality associated with inherited intellectual disability due to the fragile-X chromosome.

Introduction: Fragile X syndrome is a genetic condition that causes a range of developmental problems including learning disabilities and cognitive impairment. Usually, males are more severely affected by this disorder than females.

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