Gastrula is a stage in the the development of frog in which embryo possesses:

Embryo Genesis Mcqs

A.Ectoderm, mesoderm and endoderm layers
B.Ectoderm layer surrounding the blastocoel
C.Ectoderm and endoderm layers forming archenteron
D.Ectoderm, mesoderm and endoderm layers alongwith a rudimentary nervous system

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