Campbell Biology (12th Edition)

Published by Pearson
ISBN 10: 0135188741
ISBN 13: 978-0-13518-874-3

Chapter 12 - 12.1 - Concept Check - Page 237: 1

Answer

Part 1: 1 Part 2: 1 Part 3: 2

Work Step by Step

The key here is to recall that a chromosome is an independent body, no matter how many copies of DNA sequences it contains, so two chromatids make one chromosome until they are physically separate.
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