Multiple Choice
Webbing in ducks occurs because the _______ protein is expressed in the webbing cells. This protein prevents the _______ protein from signaling for apoptosis.
A) BMP4; Gremlin
B) BMP4; eyeless
C) BMP4; Ultrabithorax
D) Gremlin; eyeless
E) Gremlin; BMP4
Correct Answer:

Verified
Correct Answer:
Verified
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