A dihybrid for qualitative trait is crossed with homozygous recessive individual of its type, the phenotypic ratio is

Question

A dihybrid for qualitative trait is crossed with homozygous recessive individual of its type, the phenotypic ratio is (A) 1: 2: 1 (B) 3: 1 (C) 1: 1: 1: 1 (D) 9: 3: 3: 1

Tardigrade Admin · Accepted Answer

When the F 1 individuals are crossed with its pure recessive parent, the cross is called test cross. The result of it, is always 1: 1 in monohybrid cross and 1: 1: 1: 1 in dihydrid cross.

Q. A dihybrid for qualitative trait is crossed with homozygous recessive individual of its type, the phenotypic ratio is

1 : 2 : 1

3 : 1

1 : 1 : 1 : 1

9 : 3 : 3 : 1

When the $F_{1}$ individuals are crossed with its pure recessive parent, the cross is called test cross. The result of it, is always $1 : 1$ in monohybrid cross and $1 : 1 : 1 : 1$ in dihydrid cross.

Q. A dihybrid for qualitative trait is crossed with homozygous recessive individual of its type, the phenotypic ratio is

1 : 2 : 1

3 : 1

1 : 1 : 1 : 1

9 : 3 : 3 : 1

When the F1​ individuals are crossed with its pure recessive parent, the cross is called test cross. The result of it, is always 1:1 in monohybrid cross and 1:1:1:1 in dihydrid cross.

When the $F_{1}$ individuals are crossed with its pure recessive parent, the cross is called test cross. The result of it, is always $1 : 1$ in monohybrid cross and $1 : 1 : 1 : 1$ in dihydrid cross.