Campbell Biology: Concepts & Connections (9th Edition)

Published by Pearson
ISBN 10: 0-13429-601-X
ISBN 13: 978-0-13429-601-2

Chapter 14 - Review - Page 295: 6

Answer

d.

Work Step by Step

A postzygotic reproductive barrier occurs after fertilization has happened. Options a., b., and c. are all prezygotic reproductive barriers because they happen before a zygote is formed. Only option d. is correct. The reproductive barrier occurs after an offspring has been produced, and the reproductive barrier is that the hybrid offspring of those two species cannot reproduce to pass on its genes to subsequent generations.
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