Question 2
Two pink coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progeny. The nature of the cross will be
(a) double fertilisation
(b) self pollination
(c) cross fertilisation
(d) no fertilisation
(b) self-pollination
This question is a classic example for Mirabilis jalapa. In f2 crossing, incomplete dominance took place which results in 1 red, 2 pink and 1 white flower progeny.
Red - AA (Dominant)
White - aa (Recessive)
F1AAaAaAaaAaAa Phenotype - All are Red
F2AAAAAAaaaAaa
Phenotype - 1 red, 2 pink and 1 white