question_answer

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]

A) 1 : 1 : 1 : 1

B) 1 : 2 : 1

C) 2 : 1

D) 3 : 1