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Mirabilis, normal leaves (a) and variega...

Mirabilis, normal leaves (a) and variegated leaves (b) colour occur in different plants. If (b) male is crossed with (a) female, normal leaves occur in the hybrid. But (a)male is crossed with (b) female variegated leaves occur. It is an instance of

A

cytoplasmic inheritance

B

disjunction

C

Inversion and deletion

D

Epistasis

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The correct Answer is:
A
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