Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 10 - How Cells Divide - Review Questions - Understand: 4

Answer

B.

Work Step by Step

Cohesins make the two copies of a chromosome cohesive--stuck together--prior to mitotic separation of sister chromatids. The other options refer to other parts of cell division in eukaryotes: prophase condensation of DNA (C) and spindle assembly and connection of the spindle to chromsomes (A. and D.).
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