Biology: The Unity and Diversity of Life (14th Edition)

Published by Brooks/Cole Publishing Co.
ISBN 10: 1305073959
ISBN 13: 978-1-30507-395-1

Chapter 10 - Self-Quiz - Page 175: 12

Answer

Option B

Work Step by Step

X chromosome inactivation is the process by which one of the copies of X chromosome is silenced.In this process,a long noncoding RNA, coats the chromosome, and causes it to condense into a Barr body. This ensures equalization of expression of X chromosome genes between the sexes.
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