genes pair that consists of a dominant allele and a recessive allele
Chemistry · Middle School · Tue Nov 03 2020
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When referring to a gene pair consisting of a dominant allele and a recessive allele, it means that one allele is expressed more strongly (dominant) than the other (recessive). The combination of alleles is known as a heterozygous genotype.
For example, in the context of eye color:
Dominant allele: B (for brown eyes)
Recessive allele: b (for blue eyes)
A gene pair with one dominant allele (B) and one recessive allele (b) would represent a heterozygous individual with brown eyes.