Hybrid - is the result of combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction.
Recessive - a gene that can be masked by a dominant gene. In order to have a trait that is expressed by a recessive gene, such as blue eyes, you must get the gene from both parents.
Genetics - study of the traits people and other animals inherit from their family through DNA.
Heterozygous/homozygous - alleles at a locus are identical to each other, they are homozygous; if they are different from one another, they are heterozygous.