Human Reproduction Question 85
85. Termination of gastrulation is indicated by
(a) obliteration of blastocoel
(b) obliteration of archenteron
(c) closure of blastopore
(d) closure of neural tube
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Answer : a
Hints & Solutions
(a) Gastrulation ends with the complete obliteration of blastocoel. The stage of three primary germ layers starts.