Human Reproduction Ques 62

62. During cleavage, what is true about cells? [1991]

(a) Nucleocytoplasmic ratio remains unchanged

(b) Size does not increase

(c) There is less consumption of oxygen

(d) The division is like meiosis

Show Answer

Answer : b

Hints & Solutions

(b) During cleavage size of cells do not increase (in fact the resultant blastomeres are smallest in size, because size of embryo doesn’t increase and mitosis occurs repeatedly).



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