If, in a Heterozygous Individual, Only One Allele is Expressed

Question

If, in a heterozygous individual, only one allele is expressed in the phenotype, that allele is
A) recessive.
B) normal.
C) haploid.
D) dominant.
E) potent.

Accepted Answer

In a heterozygous individual, the allele that is expressed in the phenotype is the dominant allele.