In what way is the presence of a recessive allele related to the phenotype?
A)It can always be determined from the phenotype.
B)It can be masked in the phenotype.
C)It is expressed in the phenotype alongside a dominant allele.
D)It can never be expressed in the phenotype.

Question

Quizplus · Accepted Answer

A recessive allele will only be expressed in the phenotype when two copies of the recessive allele are present. If there is only one copy of the recessive allele and a dominant allele is also present, the dominant allele will mask the expression of the recessive allele in the phenotype.

In What Way Is the Presence of a Recessive Allele