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Mitosis/Meiosis
Vocabulary Words
| Term | Definition |
|---|---|
| Mitosis | a process by which a cell divides its nucleus |
| Diploid (number) | a cell that has two copies of each chromosome, one from an egg and one from a sperm |
| Chromosome(s) | a long thread of DNA that consists of numerous genes |
| Interphase | when the cell appears to be at rest |
| Crossing over | homologous chromosomes may be exchange |
| Anaphase | third phase of mitosis which chromatids separate and are pulled to opposite sides of the cell |
| Haploid/Monoploid | is a cell that has only one copy of each chromosomes |
| Daughter nuclei | two nuclei that result from the division of a single nucleus, usually by mitosis. |
| Tetrad | consists of two homologous chromosomes, each composed of two sister chromatids |
| Gametogenesis | the process in which cells undergo meiosis to form gametes. |
| Meiosis | divides a diploid cell into a haploid cells |
| Metaphors | second phase of mitosis where chromosomes line up at the equator |
| Cytokinesis | process by which the cytoplasm divides |
| Disjunction | when homologous chromosomes move apart toward the opposite poles of the cell |
| Variation | physical traits of an individual from the group to which it belongs |
| Telophase | last phase of mitosis which the separated chromosomes reach the opposite poles of the dividing cell |
| Replication | process by which DNA is copied |
| Synapsis- | a gap between neurons through which signals are sent |
| Prophase | - first stage of mitosis the chromosomes become visible as paired chromatids |
| Centrioles- | the development of spindle fibers in cell division |