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5.1,5.2,5.3
| Term | Definition |
|---|---|
| DNA | a molecule that is present in all living celss |
| chromosomes | one of the structures in the nucleus |
| cell cycle | the life cylce of a cell |
| interphase | the period of the cell cycle |
| mitosis | a process of the cell devision the forms two of the nucles |
| cytokenisis | the area of the cytoplasm cell |
| homologus | chromosomes that have the same sequence of genes |
| meiosis | a process in which cell devisions in which chromosomes decrease by half |
| asexual | reproduction that does not involve the union of sex |
| sexual | reproduction in which sex cells from two parents unite |
| fertalization | the union of a male and female |
| prophase | the chromosomes in the cell condence. at this point it consist of two chromoatids |
| metaphase | chromosomes line up in the middle of the cell. centromeras of the chromosome are the same distance from each side of the cell |
| anaphase | they are pulled to oposite sides of the cell. each ends up with a complete chromosome |
| telophase | a new membrane forms around each group of chromosomes. so the cell now has two identical nuclei. |