Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0-07802-426-9
ISBN 13: 978-0-07802-426-9

Chapter 16 - How Populations Evolve - Assess - Page 295: 12



Work Step by Step

Heterozygote individuals are not fatally affected by sickle cell disease or malaria because of the recessive allele. Since individuals with the gene do not die out, the diseases remain in humans in parts of Africa.
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