key term - Heterozygous

Definition

A term used to describe a pair of genes where one is dominant and one is recessive. They're different forms of the same gene.

Related terms

Dominant Gene: This is a version of a gene that will produce its trait even if there's only one copy present in an organism's DNA.

Recessive Gene: This is a version of a gene that will only show its trait if there are two copies present in an organism's DNA.

Genotype:

The genetic makeup or set of genes in our DNA which determine the various traits we possess.