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| Question | Answer |
| Gene | Section of DNA that carries genetic code for a particular characteristic or cell activity |
| Allele | AN alternative forms of a gene |
| Variation | Differences between organisms within a population |
| Mitiosis | Type of cell division that occurs whenever more cells are needed (growth and repair). Produces two new cells that are genetically identical to each other and to the parent cell. |
| Meiosis | Type of cell division that occurs in the testes (males) and ovaries (females). Produce for new cells (gametes) that are different to each other and to the parent cell. Contain half the number of chromosomes that are in the parent cell. |
| Asexual Reproduction | Reproduction involving only one parent (usually female). Offsprings are genetically identical to each other and to the parent. |
| Sexual Reproduction | Reproduction involving only two parents. Offspring are different to the parent and to each other. |
| Trait | Genetically determined characteristics |
| Mutation | Change in the base sequence of the DNA |
| Genotype | Particular alleles of an organsim |
| Phenotype | Observable characteristics of an individual resulting from its genotype |
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