A Dominant Allele Affects the Organism's

Multiple Choice

A dominant allele affects the organism's

A) phenotype, only if the organism carries two copies of that allele.
B) genotype, as long as a recessive allele for that gene is absent.
C) genotype, as long as a matching allele is present on the other chromosome.
D) phenotype, no matter what other allele for that gene the organism holds.