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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 11, Problem 17QP
Textbook Problem
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Tay-Sachs disease is an autosomal recessive disease. Affected individuals do not often survive to reproductive age. Why has Tay-Sachs persisted in humans?

Summary Introduction

To explain: The reason that the Tay-Sachs disease persisted in humans.

Introduction: Tay-Sachs disease is a genetic disorder which is inherited as autosomal recessive disease. In this disorder, nerve cells of the individual damage due to the accumulation of lipid GM2 ganglioside.

Explanation of Solution

Tay-Sachs disease is an autosomal recessive disorder which occurs due to a mutation in the HEXA gene. This gene is responsible for the production of enzyme beta-hexosaminidase A, which helps in the breakdown of fatty acid GM2 ganglioside...

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