If the haploid number of chromosomes in Pinus is 12, what will be the number of chromosomes in its (i) root and (ii) endosperm?

12,12

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12, 24

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24,12

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24,36

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Solution

The correct option is C 24,12
If the haploid number of chromosomes i.e. 'n' in Pinus is 12, The number of chromosomes in its root is 2n=24 and in endosperm n=12 because endosperm is a pre-fertilisation product and the plant body is diploid in gymnosperms.

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