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Question

In Mirabilis jalapa when two F1 pink flowered plants were crossed with each other, the F2 generation produced 40 red, 80 pink and 40 white flowering plants. This is a case of

A
Duplicate genes
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B
Lethal genes
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C
Incomplete dominance
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D
Epistasis
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Solution

The correct option is C Incomplete dominance

When two F1, pink flowered(Rr) Mirabilis jalapa are crossed, in the F2 generation, Plants with Red flowers(RR), pink flowers(Rr) and white (rr) are formed. It is called Incomplete dominance.

Appearance of new phenotype in the progeny but not either of the parents is called Incomplete dominance.
So, the correct option is 'Incomplete dominanc'.

1114666_686451_ans_0bf84d2901724de2a4893cf5b1325cb1.jpg

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