Gastrula is the stage of the embryonic development of frog in which:

Embryo Genesis Mcqs

A.The embryo has three primary germ layers
B.Embryo is a hollow ball of cells with a single cell thick wall
C.Embryo has ectoderm, endoderm and a blastopore
D.Embryo has ectoderm, endoderm and a rudimentary nervous system

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