A phenotype that results from a dominant allele must have at least ___ dominant allele (s) present in the parent (s).

Question

Biology

Lilah Arias

14 May, 09:26

A phenotype that results from a dominant allele must have at least ___ dominant allele (s) present in the parent (s).

+3

Answers (1)

Know the Answer?

Muhammad · Answer 1

One dominant allele

Explanation:

Two alleles are needed in any one locus, and they can either be dominant or recessive. Since a dominant allele will hide the expression of the recessive allele, only one dominant allele is needed in the parents. In other words, one parent must contribute a dominant allele and the other parent can contribute either a dominant or a recessive allele. The resulting phenotype will have the dominant phenotype in all cases.