Gene duplications
A)have proved to be adaptive in some cases.
B)have resulted in many slightly different hemoglobin molecules in primates.
C)always have negative consequences.
D)can occur via unequal crossovers at prophase I.
E)are all of these EXCEPT "always have negative consequences."

Question

Quizplus · Accepted Answer

Gene duplications can be adaptive, result in different hemoglobin molecules, and occur via unequal crossovers.

Gene Duplications