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Lemur [1.5K]
3 years ago
10

The cluster of cells that develop from the zygote by the end of a two-week period is called a(n) "_____."

Biology
1 answer:
wariber [46]3 years ago
8 0

Answer:Embryoblast

Explanation:Embryoblast is the cluster of inner cell mass developed in the blastocyst with an other layer called the trophoblast

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