Principles of Life for the AP Course (2nd Edition)

Published by W. J. Freeman
ISBN 10: 1464156417
ISBN 13: 978-1-46415-641-0

Chapter 7 - Section 7.4 - Meiosis Halves the Nuclear Chromosome Content and Generates Diversity - Apply The Concept: 1

Answer

Crossing over is the process where genetic material can be exchanged between nonsister chromatids at more than one location. Independent assortment is the chance/random nature by which each member of a homologous pair goes to a daughter cell (beware that this is not the case in linked genes). Crossing over and independent assortment both contribute to genetic differences because they essentially allow for far more genetic variation through the swapping of genetic information/creation of new combinations of genetic information (crossing over) and random combinations of chromosomes during meiosis (independent assortment).

Work Step by Step

Crossing over is the process where genetic material can be exchanged between nonsister chromatids at more than one location. Independent assortment is the chance/random nature by which each member of a homologous pair goes to a daughter cell (beware that this is not the case in linked genes). Crossing over and independent assortment both contribute to genetic differences because they essentially allow for far more genetic variation through the swapping of genetic information/creation of new combinations of genetic information (crossing over) and random combinations of chromosomes during meiosis (independent assortment).
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.