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Mitosis and Meiosis
Review of Meiosis and Mitosis
Question | Answer |
---|---|
2 divisions & 8 phases | Number of cell divisions and phases in meiosis |
1 division & 4 phases | Number of cell divisions and phases in mitosis |
somatic cells | cells that go through mitosis |
sex cells | cells that go through meiosis |
diploid | means "2 sets" ; 2n |
haploid | means "1 set" ; 1n |
mitosis | process that creates 2 identical diploid cells |
meiosis | process that creates 4 genetically different haploid cells |
cytokinesis | division of the cytoplasm |
4 sperm | results of meiosis in males |
1 egg & 3 polar bodies | results of meiosis in females |
centromere | holds 2 sister chromatids together |
23 | haploid number in humans |
46 | diploid number in humans |
cytokinesis | division of the cytoplasm |
G1 and G2 phases | cell growth happens |
S phase | DNA gets copied |
Interphase | is made up of G1, S and G2 phases (chromosomes look stringy) |
prophase I | when crossing over happen in meiosis |
metaphase I | when independent assortment happens in meiosis |
anaphase II | when sister chromatids are separated |
anaphase I | when homologous chromosomes are separated |