Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 18 - 18.3 - Concept Check - Page 379: 3


The Xist gene on the inactivated X chromosome’s XIC (X inactivation center) by creating a heterochromatin on the chromosome.

Work Step by Step

The heterochromatin prevents genes on the inactivated chromosome from being expressed. Which X chromosome the Xist gene selects is random in most animals.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.