The amnion of mammalian embryo is derived from
(1) mesoderm and trophoblast
(2) endoderm and mesoderm
(3) ectoderm and mesoderm
(4) ectoderm and endoderm
Answers
Answered by
1
Answer:
3
Explanation:
ectoderm and mesoderm
Answered by
0
Answer:
ectoderm and mesoderm are the root words
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