| A | B |
|---|
| trait | a characteristic than an organism can pass on to its offspring |
| heredity | a set of traits an organism receives from its parents |
| genetics | the study of heredity |
| true-breeding plant | a plant that will always produce offspring with the same form of a trait when it self-pollinates |
| cross-pollination | when the pollen from one plant is used to fertilize another plant |
| gene | a unit that determines traits |
| alleles | different forms of a gene |
| dominant allele | the form of a gene that, when present, covers up the appearance of the recessive allele |
| recessive allele | the form of a gene that is hidden when the dominant allele is present |
| phenotype | the form of a trait that an organism displays |
| genotype | the alleles of a gene an organism contains |
| Gregor Mendel | "father" of genetics |
