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Unit 2Topic 4
Meiosis vocab
| Term | Definition |
|---|---|
| Asexual Reproduction | Process of reproduction involving a single parent that results in offspring that are genetically identical to the parent |
| Sexual Reproduction | Type of reproduction in which cells from two parents unite to form the first cell of a new organism |
| Chromosome | Threadlike structure of DNA and protien that contains genetic information; in eukaryotes, chromosomes are found in the nucleus; in prokaryotes, they are found in the cytoplasm |
| Chromatid | One of two identical "sister" parts of a duplicated chromosome |
| Gene | Sequence of DNA that codes for a protein and thus determines a trait; factor that is passed from the parent to offspring |
| Allele | One of the different forms of a gene |
| Meiosis | Process of which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell |
| Homologous chromosomes | Each of the four chromosomes from the male parent has a corresponding chromosome from the female parent. |
| Tetrad | A structure containing four chromatids that form during meiosis |
| Crossing Over | Bits and pieces of the homologous chromosomes are exchanged |
| Gamete | Sex cell |
| Diploid | The term used to refer to a cell that contains two sets of homologous chromosomes |
| Haploid | The tern used to refer to a cell that contains only a single set of genes |