Question

Give the ratio of phenotype of these crosses.

Answer 1

phenotype ratio of : 

(a) TT x Tt - All progeny plants will be tall
(b) tt x TT - All the progeny plants will be tall 
(c) TTrr x ttRR = All progeny will be tall having round seeds
(d) TtRr x TtRr = 9 : 3 : 3 : 1 (9 - Tall and Round seeds; 3 - Tall and wrinkled seeds; 3 - Dwarf and Round seeds; 1 - Dwarf and wrinkled seeds.)