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Eight to sixteen cell stage embryo is called ______(a) Blastomere(b) Zygote(c) Blastula(d) MorulaThis question was posed to me by my college director while I was bunking the class.I need to ask this question from Human Reproduction topic in section Human Reproduction of Biology – Class 12

Answer»

The correct answer is (d) Morula

The explanation is: Zygote divides rapidly via the PROCESS of cleavage. Each DIVISION doubles the number of CELLS. The 8 to 16 cell stage embryo starts attaining a bolus shape and is hence called a morula. The morula LATER transforms into a blastula and then a blastocyst.



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