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1 mark

The amnion of mammalian embryo is derived from:

  1. A
    mesoderm and trophoblast
  2. B
    endoderm and mesoderm
  3. C
    ectoderm and mesoderm
  4. D
    ectoderm and endoderm

Solution & Step-by-step Explanation

The amnion is an extraembryonic membrane. It is composed of an inner layer of ectoderm and an outer layer of somatic mesoderm. It surrounds the amniotic cavity containing amniotic fluid.

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The amnion of mammalian embryo is derived from:
A
mesoderm and trophoblast
B
endoderm and mesoderm
C
ectoderm and mesoderm
D
ectoderm and endoderm

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