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Divya. Divya.
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Posts: 966
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7 years ago
At the blastula stage, the embryo consists of
A) a solid mass of cells, each the size of the zygote.
B) three differentiated layers of cells.
C) a hollow ball of cells.
D) cells that have different DNA content.
E) a cluster of cells that are much larger than normal cells.
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skeledentskeledent
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7 years ago
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