Campbell Biology (11th Edition)

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

Chapter 51 - 51.4 - Concept Check - Page 1158: 2

Answer

Sibling organisms will share some genes. By aiding the survival of a sibling's offspring, the organism is promoting the survival of any genes they have in common with these family members.

Work Step by Step

Though the exact number of shared genes will be variable, siblings (and the offspring of siblings) are genetically very close to one another.
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