Biological Science (6th Edition)

Published by Benjamin Cummings
ISBN 10: 0321976495
ISBN 13: 978-0-32197-649-9

Chapter 46 - Chemical Signals in Animals - Review - Page 979: 3

Answer

A

Work Step by Step

The initial development of male and female gonads are not regulated by hormones. Instead, they the development of sex organs such as the testis and the ovary rely on the presence of a Y chromosome or X chromosomes, respectively.
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