Principle Of Inheritance And Variation Question 95

Question: In Mirabilis jalapa, when homozygous red-flowered and white-flowered plants are crossed, all $ F_1 $ plants have pink-coloured flowers. In $ F_2 $ produced by selfing of $ F_1 $ individuals, red, pink and white flowered plants appear respectively in the ratio of or What will be the ratio in $ F_2 $ generation if red-flowered variety of Mirabilis jalapa is crossed with white-flowered variety [MP PMT 1995, 98, 99; BHU 2003]

Options:

A) 1 : 1 : 1 : 1

B) 1 : 2 : 1

C) 2 : 1

D) 3 : 1

Show Answer

Answer:

Correct Answer: B

Solution:

It is an example of Incomplete dominance.



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