Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 14, Human Heredity - Assessment - 14.1 Human Chromosomes - Understand Key Concepts/Think Critically - Page 412: 4


Autosomes are chromosomes that are not the sex chromosomes. In human cells, there are 44 autosomes and two sex chromosomes.

Work Step by Step

In humans, the sex chromosomes in females are two X chromosomes whereas in males, the sex chromosomes consist of one X and one Y chromosome. In both sexes, there are 44 autosomes and two sex chromosomes, meaning both human males and females have 22 pairs of autosomes and one pair of sex chromosomes.
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