Question

SECTION -C
Ous 27: The genotype of a green stemmed tomato plant is denoted by GG and that
of purple stemmed tomato plant as gg. When these are crossed: (3)
(a) give the percentage of purple stemmed plants if f1 plants are self pollinated. ​

Answer 1

see the image

according to monohybrid cross the

phenotypic ratio =3 : 1

genotypic ratio =1 : 2 : 1