Multiple Choice
During development,an XX female embryo will form one of the X chromosomes in each cell into a Barr body.This usually occurs
A) about two weeks after zygote formation.
B) by the end of the first trimester.
C) at the 16-cell stage.
D) in the X that is the most recessive.
E) in the X that is the least recessive.
Correct Answer:
Verified
Correct Answer:
Verified
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