Multiple Choice
The etiology of Down syndrome involves
A) abnormal cell division of a sperm from the father.
B) abnormal cell division of an egg from the mother.
C) incomplete union of the ovum and sperm.
D) two sperm impregnating the ovum.
E) a metabolic disorder of the systems that rid the brain of waste.
Correct Answer:

Verified
Correct Answer:
Verified
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