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Trisomy X and Other Conditions

A plant speci...

Question

A plant species A has a diploid chromosome number of 12. Another plant species B has a diploid chromosome number of 16. The allopolyploid developed by hybridization of A and B shall have a diploid chromosome number as

A

14

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B

28

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C

40

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D

56

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Solution

The correct option is B 28
For, plant A 2n=12; For plant B 2n=16
so, 2n value for an allopolyploid plant is: 12+16 =28
So, the correct answer is '28'.

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