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U2T4 Meiosis vocab
Vocab
| Term | Definition |
|---|---|
| Asexual Reproduction | The production of genetically identical offspring from a single parent is known as asexual reporoduction. |
| Sexual Reproduction | Offspring produced by sexual reproduction inherit some of their genetic information from each parent. |
| Chromosome | Genetic information is bundled into packages of DNA known as chromosomes, |
| Chromatid | Condenses to appear as two thick strands, attatched at a point called the centramore. |
| Gene | Any one of two or more genes that may occur alternatively at a given site on a chromosome. |
| Allele | A specific sequence of nucleotides in DNA or RNA, typically located on a chromosome. |
| Meiosis | A process in which the number of chromosomes per cell cut in half through the seperation of homologous chromosomes in a diploid cell. |
| Homologous chromosomes | Each of the four chromosomes from the male parent has a corresponding chromosomes from the female parent. |
| Tetrad | In prophase 1 of meiosis, each replicated chromosome pairs with its corresponding homologous chromosome. This contains four chromatids. |
| Crossing Over | Bits and pieces of the homologous chromosomes are exchanged. |
| Gamete | Gametes form through meiosis, creating cells with one set of chromosomes, called haploid cells. |
| Diploid | A cell with two sets of homologous chromosomes is said to be called diploid. |
| Haploid | Meaning "single" the gametes of sexually reproducing organisms. |