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What is Morula is how many ceiled - and explain in detail?
Ans. is 'd' i.e., 16 o At about 16 cells stage the blastomeres tightly align by the process of compaction to form a compact ball of cells called morula (mulberry ).o This process of compaction leads to segregation of cells into two groups :Inner cells (inner cell mass)Outer cells (outer ceil mass)o Morula enters uterine cavity 4 days after fertilization.