i had to look them up so i’ve included the definitions below for anyone else that’s curious. i still don’t really understand lol.
Heterozygous
Definition
adjective
(1) Of, or pertaining to an individual (or a condition in a cell or an organism) containing two different alleles for a particular trait.
(2) Having dissimilar alleles that code for the same gene or trait.
and
Homozygous
Definition
adjective
(1) Of, or pertaining to an individual (or a condition in a cell or an organism) containing two copies of the same allele for a particular trait located at similar positions (loci) on paired chromosomes (see homologous chromosomes).
(2) Having two identical alleles that code for the same trait.