JAMB - Biology (2010 - No. 36)
A pair of genes that control a trait is referred to as?
an allele
recessive
dominant
a hybrid
Explicació
Alleles contribute to the organism's phenotype, which is the outward appearance of the organism. Some alleles are dominant or recessive. When an organism is heterozygous at a specific locus and carries one dominant and one recessive allele, the organism will express the dominant phenotype