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 11 - The Cell Cycle and Cell Division - 11.5 - Meiosis Leads to the Formation of Gametes - 11.5 Recap - Learning Outcomes - Page 233: 3

Answer

A cell is called aneuploid if it has an incorrect number of chromosomes. This occurs when homologous chromosomes do not separate during meiosis I or when sister chromatids don't separate in meiosis II. This causes one daughter cell to have an extra chromosome, and another to be missing one.

Work Step by Step

A cell is called aneuploid if it has an incorrect number of chromosomes. This occurs when homologous chromosomes do not separate during meiosis I or when sister chromatids don't separate in meiosis II. This causes one daughter cell to have an extra chromosome, and another to be missing one.
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