Biology (11th Edition)

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

Chapter 41 - Plant Reproduction - Review Questions - Apply: 1

Answer

B.

Work Step by Step

The pollen grains genetically S5 would fail in pollination due to the self-incompatibility mechanism, but the S2 pollen would succeed, having no match in the plant being pollinated (B.). A. is wrong because it ignores the self-incompatibility issue, and C. is incorrect since sporophytic incompatibility would not allow half to successfully pollinate. D. is untrue since S2 pollen should be able to work.
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