noun. one of the alternate types of a gene at a certain venue onto every one of the sets of coordinating chromosomes transmitted from the mom and dad. Every individual commonly has 2 alleles for every gene, 1 transmitted from mom and dad. Individual alleles generate variety in hereditary attributes, such as eye color or blood type.
ALLELE: "The whole family was surprised that the baby came out with red hair, proving the father's allele must've been a bit more determined than the mother's."