A pair of genes that control a trait is referred to as? by Sunday | Sep 8 | Biology JAMB | 0 comments A. an allele B. recessive C. dominant D. a hybrid Correct Answer: Option A – an allele Users Also Read These:In the nucleus of a cell; the thread-like structure…If both parents are heterozygous for a trait, the…The pair of genes expressed in a heterozygous…In genetics, linkages refer to the linking of genes of the?Which of the following diseases is transmittable…