| Term | Definition |
|---|
| gene | A length of DNA that codes for a particular inherited characteristic on any living organism. |
| base pairing | The bases of DNA are paired accordingly to form a ladder-like structure: adenine with thymine, and guanine with cytosine. |
| DNA | Contains all genetic information. |
| chromosome | A single DNA molecule, including many genes. Humans have 23 pairs. |
| meiosis | The process of cell division in sexually reproducing organisms that produces nonidentical cells. |
| mitosis | The process of cell division that occurs in all body cells excluding sex organs, and recreates identical cells. |
| molecular groups | Shaped like a double helix, each strand of DNA is made up of one sugar, one phosphate and one base. |
| allele | Any of a number of alternative forms of a gene. This is the name for a pair of genes-one from our mother, one from our father. |
| homozygous | Describes same genes of an allele i.e. mother and father both have natural brown hair colour. |
| heterozygous | Describes different genes of an allele. |
| genotype | The genetic make up of an individual. |
| phenotype | what an organism looks like as a consequence of its genotype |
Combine with other sets
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