what is a dominant allele
Answer by Brooke Schnoor. Confidence votes 36. A dominant allele is an allele that can take over a recessive allele, so if you have a dominant allele and a recessive allele, then the offspring will most likely have a dominant allele over a recessive allele.The dominant allele is expressed over the recessive allele.nswer by Brooke Schnoor. Confidence votes 36. A dominant allele is an allele that can take over a recessive allele, so if you have a dominant allele and a recessive allele, then the offspring will most likely have a dominant allele over a recessive allele.