| A | B |
|---|
| DNA | deoxyribonucleic acid |
| mitosis | division of the nucleus |
| asexual reproduction | reproduction in which a new organism is produced from a part of another organism |
| cloning | making copies of organisms |
| sexual reproduction | a new organism is produced from the DNA of two cells |
| sex cells | specialized cells that carry DNA and join in sexual reproduction |
| meiosis | cell division that forms sex cells |
| fertilization | joining of the the egg and sperm to form a new individual with a full set of chromosomes |
| heredity | the passing of traits from parents to offspring |
| variation | different ways that a certain trait appears |
| genetics | the study of how traits are passed from parents to offspring |
| mutation | a change in a gene or a chromosome |
| gene | a small section of DNA on a chromosome that has information about a trait |
