| A | B |
|---|
| genetics | science of inheritance of traits |
| heredity | the passing of traits from parent to offspring |
| gene | factor containing information for every trait |
| dominant | form of a trait that dominates another trait |
| recessive | the form of a trait that is hidden in the F1 generation |
| chromosome | structure that carries the genes |
| allele | each alternative from of a gene for a certain trait |
| genotype | considered an organisms genetic make-up |
| phenotype | physical appearance of an organism |
| homozygous | each cell contains two of the same alleles for a certain trait |
| heterozygous | each cell contains two different alleles for a certain trait |
| gamete | a sex-cell |
| XX | the female genotype |
| XY | the male phenotype |
