Where's @Equineluvr when you need her. Heterozygous. The genetics term heterozygous refers to a pair of genes where one is dominant and one is recessive — they're different. ... Let's say your dad's eyes are brown, your mom's eyes are blue, and those heterozygous chromosomes led to your having green eyes.

https://unrealfacts.com/alexander-the-great-had-two-different-eye-colors/