The recessive trait is expressed in an individual when ________.
A)the individual has one recessive allele and one dominant allele
B)the individual has two dominant alleles
C)the individual has two recessive alleles
D)the individual has one recessive allele only

Question

Quizplus · Accepted Answer

The recessive trait is only expressed when an individual has two copies of the recessive allele. Having one recessive allele and one dominant allele would result in the dominant trait being expressed, as the dominant allele masks the recessive allele. Having two dominant alleles would also result in the dominant trait being expressed, as the dominant allele is always expressed over the recessive allele. Having only one recessive allele would not be enough for the recessive trait to be expressed, as there would still be a dominant allele present to mask it.

The Recessive Trait Is Expressed in an Individual When ________