First slide

Significance of Meiosis

Question

Statement A: Meiosis brings about variations in the offspring.
Statement B: During meiosis the chromosomal independent assortment is seen.

Easy

A

Both statements A and B are correct
B

Statement A is correct B is incorrect
C

Statement A is incorrect and B is correct
D

Both statements A and B are incorrect.

Solution

During Metaphase I of meiosis, the alignment of maternal and paternal chromosomes of one bivalent is different from another bivalents. Hence every daughter cell receives a combination of both maternal and paternal chromosomes. When these daughter cells are involved as gametes in sexual reproduction, the offspring has genetic make up with combination of both maternal and paternal chromosomes of their parents. In this way, the offspring is different from their parents.

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