ATI TEAS TEST STUDY GUIDE 2021
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1) When does meiosis take place? ⇨ Human females: From 3 months of age prenatal (in the womb) until menopause (40's to 50's) Human males: From puberty (12-13) until death 2) Where does meiosi... s take place? ⇨ In the gonads: ovaries for females testes for males. 3) When does mitosis take place? ⇨ Mitosis takes place from conception (birth) until death. 4) Where does mitosis take place? ⇨ Mitosis takes place in all cells of the body. 5) How many daughter cells are produced in mitosis? ⇨ Mitosis produces two new daughter cells that are genetically identical to their parent cell. 6) How many daughter cells are produced in meiosis? ⇨ Meiosis produces four daughter cells with half the original chromosome number. 7) Phase of Mitosis A. Interphase: The period of growth that occurs between cell division (G1 phase: cell growth, S Phase: DNA Replication, and G2 phase: Preparing for Cell Division) B. During prophase, the genetic material inside the nucleus condenses and the duplicated chromosomes become visible. C. During metaphase, the centromeres of the duplicated chromosomes line up across the center of the cell. Spindle fibers connect the centromere of each chromosome to the two poles of the spindle. D. During anaphase, the chromosomes separate and move along spindle fibers to opposite ends of the cell. E. During telophase, the chromosomes, which were distinct and condensed, begin to spread out into a tangle of chromatin. F. Cytokinesis completes the process of cell division—it splits one cell into two daughter cells that are genetically identical to their parent cell. 8) Phase of meiosis A. Prophase 1, homologous chromosomes pair up and form tetrad; crossing over occurs B. Prophase 2, the nuclear envelope is again dissolved and the spindle is set up again. C. Metaphase 1, homologs line up along equator, spindle fibers attach to the chromsomes D. Metaphase 2, chromosomes line up along equator, not in homologous pairs E. Anaphase 1, spindle fibers move homologous chromosomes to opposite sides F. Anaphase 2, chromatids separate G. Telophase 1, cytoplasm divides, 2 daughter cells are formed .........................................................CONTINUED [Show More]
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