Q156 / 180 · JIPMER 2017 · Zoology

Gastrula is the embryonic stage in which

  • A
    cleavage occurs
  • B
    blastocoel forms
  • Correct answer
    C
    germinal layers form
  • D
    villi form

Solution

Transformation of the blastocyst into gastrula with primary germ layers by rearrangement of the cells is called gastrulation. In all the triploblastic animals three germ layers-ectoderm, mesoderm and endoderm are formed by characteristic morphogenetic movements.

Hence, the correct answer is option: 'C'.

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