Question

Which one of the following statements with regard to embryonic development in humans is correct? (1)Cleavage divisions bring about considerable increase in the mass of protoplasm (2)In the second cleavage division,one of the two blastomeres usually divides a little sooner than the second (3)With more cleavage divisions,the resultant blastomeres become larger and larger (4)Cleavage division results in a hollow ball of cells called morula

Answer 1

Answer:

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