| A | B |
|---|
| Punnett square | a graphic used to predict the results of a genetic cross |
| probability | the likelihood that a future event will occur in any given instance of the event |
| ratio | a comparison of two numbers using division |
| pedigree | a diagram that shows the occurrence of a genetic trait in several generations of a family |
| DNA | deoxyribonucleic acid, a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live |
| mutation | a change in the nucleotide base sequence of a gene or DNA molecule |
| nucleotide | in a nucleic acid chain, a subunit that consists of a sugar, a phosphate, and a nitrogenous base |
| RNA | ribonucleic acid, a molecule that is present in all living cells and that plays a role in protein production |
| replication | a duplication of a DNA molecule |
| ribosome | a cell organelle composed of RNA and protein; the site of protein synthesis |
