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Q.

A diploid (2n) female plant is crossed with a tetraploid (4n) male plant. What would be the ploidy of embryo and endosperm in resulting seeds respectively?

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a

Triploid and tetraploid

b

Triploid and hexaploid

c

Diploid and triploid

d

 Diploid  and  pentaploid

answer is C.

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Detailed Solution

Embryo is triploid because egg cell is haploid and male gamete is diploid. Endosperm is tetraploid because male gamete is diploid and secondary nucleus is diploid.

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