EBK ESSENTIALS OF BIOLOGY
EBK ESSENTIALS OF BIOLOGY
4th Edition
ISBN: 9780100237209
Author: Mader
Publisher: YUZU
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Chapter 13, Problem S9.4CTC
Summary Introduction

To describe:

The process of how nondisjunction causes Down, Turner, and Klinefelter syndromes.

Given:

Nondisjunction of chromosomes causes Down, Turner, and Klinefelter syndromes.

Introduction:

The human cell contains 23 pair of chromosomes. During gametogenesis, the 23 pairs of chromosomes separate into equal number that the gametes contain only the 23 chromosomes. In some occasion of cell divisions, the chromosomes do not divide evenly. This is known as non-disjunction of chromosomes. Due to non-disjunction the daughter cell produced have an incorrect number of chromosomes and this causes problems in cell functions.

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