BIOL 1000 Lecture Notes - Lecture 18: Sister Chromatids, Centromere, Chromatin
Document Summary
Cell divion cell cycle control, and mitosis [continuity] Prokaryotic cell division: 2 daughter cells are identical. Meiosis: 4 cells (germ cells), not identical to parent cell. Asexual reproduction can result in rapid population growth. Binary fission: asexual reproduction, produces exact copies of parent, can regular in rapid population growth. Mitosis: cell division of somatic (body cells for growth repair, tissue renewal, reproduction. Meiosis: cell division, which creates germ cells (sperm egg). Parent cell divides into two daughter cells ( parent cell no longer exists after division. Daughter cell can now act as a parent cell. To find many cell produced after a certain division you do: 2 to the power # Cytokinesis: physically separating cell (not a part of the meiotic process) Chromosomes: in humans, and many other organismd, occur in pairs. # of different chromosomes = n total number of chromosomes it tow sets (2n) example: there are 23 different chromosomes in a human: n=23 equation: 2 (23)= 46.