A) when 2nd polar body is separated
B) when 2nd polar body is divided
C) when 3rd polar body is separated
D) when 1st polar body is separated
Correct Answer: D
Solution :
Each primary oocyte undergo two maturation divisions, first meiotic and the second meiotic division. In the I-meiotic division, the primary oocyte divides into two unequal haploid daughter cells-a large secondary oocyte and very small first polar body. In II-maturation division, the first polar body may divide to form two second polar bodies. The secondary oocyte again divides into two unequal daughter cells, a large ootid and a very small second polar body. The ootid grows into a functional haploid ovum. The I meiotic division is reductional and II meiotic division is equational division.
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