What Is a Dominant Allele

Multiple Choice

What is a dominant allele?

A) An allele that is very prevalent in a population
B) An allele that will only have an affect on phenotype in a haploid organism;otherwise its presence will be masked
C) An allele that has no noticeable affect on an organism's phenotype
D) In a heterozygous individual,the allele that determine's the phenotype
E) An allele whose effect is masked unless in the homozygous condition