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Q.

If 'n' number of chromosomes of A is equal to 2n of B and 3n of C, then A, B, C respectively

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a

Rice, rat, fruit fly

b

Potato, rice, onion

c

Potato, rice, maize

d

Apple, onion, Haplopappus

answer is B.

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Detailed Solution

The haploid chromosome number in potato is 24. In rice 2n=24 and 'n' of onion is 8. Therefore, 3n of onion is 24. 

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