| A | B |
|---|
| chromosomes | rod-shaped cell structures that carry the codes for inherited traits |
| genetics | study of the passing on of characteristics from an organism to its offspring |
| punnett square | special chart to show possible combinations of two organisms |
| gene | basic unit of heredity |
| probability | chances something will or will not happen |
| hybrid | organism that has genes different for a trait |
| purebred | organism that has genes that are the same |
| alleles | different molecular forms of a gene |
| dominant | trait masks that of any recessive trait paired with it |
| recessive | trait being covered up |
| genotype | paticular genes present in an individual |
| phenotype | physical traits of an organism |
| genetic engineering | directed alteration of genetic material by intervention in genetic processes |
