Question

If a women is homozygous dominant for a certain trait (genotype TT) and her husband is heterozygous for the trait (genotype Tt), what are the chances that their first child would be heterozygous? Please include the Punnett’ s square.

a. 25%
b. 75%
c. 50%
d. 100%

Answer 1

Answer:

The correct assertive is letter C. 50%

Explanation:

 The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. Using the Punnett's square in this question we have:

TT X Tt

The offsprings are: TT, TT, Tt and Tt.