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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 18QP
Textbook Problem
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A woman diagnosed with Alzheimer disease wants to know the probability that her children will inherit the disorder. Explain to her the complications of determining heritability for this disease.

Summary Introduction

To describe: The probability and complications of determining heritability of Alzheimer disease in children of a mother who is diagnosed with Alzheimer disease.

Introduction: Alzheimer disease (AD) is a complex, progressive, and fatal neurodegenerative disease. The major factor for AD is age. Most of the populations of above 65 years of age are affected by AD. It starts with memory loss and leads to progressive dementia, abnormal speech, motor activity, and cognition impairment.

Explanation of Solution

The determination of heritability of Alzheimer disease is very complicated because it is a multifactorial disorder. The interaction between genetic and environmental factors produces Alzheimer disease. The genetic causes of Alzheimer disease are less than 50%...

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