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Posted by on Friday, April 12, 2013 at 9:49am.

Four weeks from conception, cell division:
A. begins to slow down.
B. has resulted in an embryo which is 10,000 times larges than the zygote.
C. creates a zygote.
D. moves to the fetal period.

I believe it is B

  • Psychology - , Friday, April 12, 2013 at 12:47pm

    I agree.

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