Question

3 if a dominant allele for tallness is expressed as t and a recessive allele for shortness is expressed as t, what is the genotype for a heterozygous dominant pair of chromosomes?
tt
tt
tt
tt

Explanation:

In genetics, a heterozygous genotype has one dominant and one recessive allele. Given the dominant allele T for tallness and recessive allele t for shortness, the heterozygous genotype is Tt.

Answer:

Tt