Question

A cross between tall and dwarf Pea plants, yielded 124 tall and 126 dwarf plants. Genotype of parents would be _____________.

• A. TT $\times$ TT
• B. TT $\times$ Tt
• C. Tt $\times$ Tt
• D. Tt $\times$ tt.

Answer 1

Answer: (D)

Tt $\times$ tt.

A cross is made between tall and dwarf pea plants, in the next generation, 124 tall plants and 126 dwarf plants are formed. The ratio is 1:1. So this is a test cross. The genotypes of the parents are Tt and tt.

So, the correct option is ‘Tt x tt.