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In Mirabilis/...

Question

In Mirabilis/Antirrhinum, hybrid between red and white flowered plants is pink flowered. This is

A

Heterosis

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B

Segregation

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C

Incomplete dominance

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D

Dominance.

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Solution

The correct option is D Incomplete dominance

In Mirabilis jalapa or Antirrhinum, plant with red flowers(RR) is crossed to another plant with white flowers(rr). The progeny will be pink flowered(Rr). It is called Incomplete dominance.
So, the correct option is ‘ Incomplete dominance’.

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