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Match the Event with the Most Appropriate Term

Question 69

Multiple Choice

Match the event with the most appropriate term.
-two beta globin chain alleles (the Hb A normal allele and the HB S sickle cell anemia allele) that both circulate at high frequencies in subtropical regions where malaria is a threat


A) directional selection
B) sexual dimorphism
C) sympatric speciation
D) balanced polymorphism
E) coevolution
F) allopatric speciation
G) key innovation
H) adaptive radiation

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