Question

Eight to sixteen cell stage embryo is called ______

• A. Blastomere
• B. Zygote
• C. Blastula
• D. Morula

Answer 1

Answer:

D. Morula

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.