Human Biology, 14 Edition

Published by McGraw-Hill Education
ISBN 10: 1-25924-574-8
ISBN 13: 978-1-25924-574-9

Chapter 19 - Assess - Page 433: 18


A person with klinefelter's syndrome is considered a male.

Work Step by Step

In this condition the "male" has the normal number of autosomes (44) but an extra X sex chromosome --44 autosomes +XXY. This subject will have undersized testicles, and will usually be infertile. Height is usually greater than average, but muscular development and body hair growth are usually subnormal for a male.
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