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Science Vocab 2
Cell Division and Sex-Cell Formation: Mitosis and Meiosis
| Term | Definition |
|---|---|
| Chromosome | Thread-like structure in a cell that contains genetic information |
| Mitosis | Process by which a cell divides into two identical daughter cells. |
| Chromatid | one of the identical halves that makes up a chromosome. Each chromosome is made up of two halves that have the same genetic information. |
| Centromere | Structure that hold together each pair of chromatids |
| Gamete | Specialized reproductive cells involved in sexual reproduction. |
| Diploid Cell | A cell that has a double set of chromosomes... one set from each parent. |
| Haploid Cell | A cell that contains only a single set of chromosomes. |
| Meiosis | Process whereby special cells divide to form the sex cells. These sex cells are called haploids because they have half the number of chromosomes. |
| Homologous Chromosomes | Description of chromosomes that occur in pairs. |
| Crossing Over | Process by which a pair of chromosomes (homologous chromosomes) change portions of their genetic material. |
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