Multiple Choice
Dolphin embryos develop hind limb buds,but these buds disappear after a short time.What is one mechanism to explain how this change occurs in the embryo?
A) The hind limbs are not used and atrophy.
B) The dolphin does not have the gene for the production of hind limbs.
C) The hind limbs are not adaptive, and dolphins with hind limbs do not survive as well.
D) Genes that control the development of the embryo turn off the development of the hind limb.
Correct Answer:

Verified
Correct Answer:
Verified
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