Human Reproduction Question 90
90. 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).
