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What is the correct answer?

4

If the cells of root in wheat plant have 42 chromosomes, then the no. of chromosome in the cell of pollen grain is

A. 14

B. 21

C. 28

D. 42

Correct Answer :

B. 21


Number of chromosome in root cells of wheat plant is 2n = 42 so n = 21 The number of chromosome in the cell of pollen grain is 21 because pollen grains are haploid (n) in nature.
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