Question

When homozygous dominant parent is crossed with heterozygous parent, the percentage of offsprings with different phenotype than either parent is

(A) 0

(B) 25

(C) 50

(D) 75

Answer 1

Correct Option - (A) 0

Explanation -

When homozygous dominant parent (TT) crossed with heterozygous parent (Tt), the offspring produced is of same phenotype as that of parents.

| | T | T |
| T | TT | TT |
| t | Tt | Tt |

Hence, the percentage of offsprings with different phenotype is ‘0’.