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Question

If the haploid number of chromosomes in a gymnosperm is 6, their number in the endosperm would be:

A
12
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B
24
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C
6
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D
36
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Solution

The correct option is C 6
The endosperm of the gymnosperm is a pre-fertilization tissue which is similar to that of the female gametophyte, so the ploidy is haploid. In the case of angiosperms, endosperm is a post fertilization tissue so the ploidy is triploid.

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