Main finction of trophoectoderm in mammalian embryo is
A)FORMARION OF FUTURE ENDODERM
B)cormation of yhe body pf develpping embryo
C)formation of future ectoderm
D)formation of placenta
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Answer: D
Explanation:
Trophoblasts are cells forming the outer layer of a blastocyst, which provide nutrients to the embryo and develop into a large part of the placenta.
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