| A | B |
|---|
| trait | a characteristic that identifies an organism |
| offspring | a new organism from reproduction |
| heredity | passing of traits from parent to offspring |
| hybrid | offspring from parents that have been crossbred |
| crossbreeding | matching of parents with different traits to produce offspring |
| dominant | describes a gene or trait that will always show itself |
| recessive | a trait that will be masked by dominant partner |
| chromosome | threadlike structure in nucleus of cell holds DNA |
| gene | a bit of information in a chromosome |
| mutation | a change in genetic code of an organism |
| genotype | the gene combination for a given trait |
| phenotype | the appearance of a trait |
| Punnett square | a chart that shows possible gene combinations |
| genetic engineering | process of transferring a gene from one organism to another |
| homozygous | when an organism has two identical alleles |
| heterozygous | when an organism has 2 different alleles for a trait |
| probability | the likelihood that a particular event will occur |
