A blastocyst is a group of cells that forms after a human egg is fertilized. The
blastocyst consists of two types of cells. Some of these cells will become the
placenta. What do the other cells develop into?
A. All of the cells of a developing fetus
O
B. The skeletal and muscular systems of the fetus
a
C. The umbilical cord linking the fetus and mother
O
D. The nervous and endocrine systems of the fetus
SUBV
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A blastocyst is a group of cells that forms after a human egg is fertilized. The
blastocyst consist...
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