Tuesday, January 10, 2012

JoeM's Muddiest Point

My muddiest point is what does the blastocyst turn into after it is made?
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1 comment:

  1. Sara PJanuary 13, 2012 at 6:23 AM

    The blastocyst is a hollow ball of cells and it takes seven days to implant in the uterine lining. Then differentiation begins and the cells start to specialize.

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