Question

In complementtory gene interaction with reference to flower colour in Lathyrus odoratus , what is probability of coloured flowers in a cross between CcPP and ccPp ?​

Answer 1

In sweet pea plants the presence of dominant C and P genes is essential for development of purple colour. The ratio of plants producing flowers of different colours in the progeny of the cross Cc Pp × Cc pp will be [AFMC 1993]

A) 2 white and 6 purple coloured flowers

B) 2 purple and 6 white coloured flowers

C) 3 white and 5 purple coloured flowers

D) 3 purple and 5 white coloured flowers