Answer:
A gene is a portion of DNA that determines a certain trait. An allele is a specific form of a gene. Genes are responsible for the expression of traits. Alleles are responsible for the variations in which a given trait can be expressed.
Step-by-step explanation:
An allele is a variant of a gene.
Alleles are on specific locus (or locations) on a chromosome and help determine the genotype (genetic makeup) of an organism.
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