Dominant Allele
A trait that prevents the showing of other traits. It is a gene that is fully expressed when two different alleles are present.
Recessive Allele
A trait that is hidden by a dominant trait. It is gene that is not expressed when paired with a dominant allele.
Heterozygous
A trait produced from two "different" alleles.
Homozygous
A trait produced from two alleles that are "alike"
Phenotype
What the trait looks like.
Genotype
What your chromosomes say your features are.