If four o' clock plants, the gene for red flower colour (R) is incompletely dominant over the gene for white flower colour (r), hence the plants heterozygous for flower colour (Rr) have pink flower. What will be the ratio of offsprings in a cross between the red flowers and pink flowers ?

Options

A. `75 %` red flower, `25 %` pink flowers
B. All red flowers
C. `50 %` red flowers, `50 %` pink flowers
D. Red : pink : white :: 1 : 2 : 1

Answer

C

Explanation

Incomplete dominance is reported in flowers of Merabilis jalapa (four o' clock)When red flower are crossed with pink flowers 50 % red flowers and 50 % pink flowers are obtained