Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 52 - Animal Behavior - 52.2 - Behavior Can Be Genetically Determined - 52.2 Recap - Learning Outcomes - Page 1120: 2

Answer

Researchers genetically engineered a male mouse by knocking out a gene for VNO receptor signaling. As a result, the knockout males did pursue and mate with females, but they attempted to mate with males in their cages as well. It was thus determined that properly functioning VNO receptors are essential for gender identification.

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