Programmed Cell Death,apoptosis,plays a Major Role in All of the Following

question 13

Multiple Choice

Programmed cell death,apoptosis,plays a major role in all of the following developmental situations except:
_____.

• A)growth of nerves and blood vessels into a body segment
• B)sculpting of digits in the developing hindlimb
• C)growth of the atrial septum in the four-chambered mammalian heart
• D)disappearance of the embryonic tail in developing humans