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Chapter 7- Meiosis

TermDefinition
meiosis a form of cell division that halves the number of chromosomes when forming gametes
spermatogenesis process by which sperm are produced
oogenesis process by which eggs (ova) are produced
prophase I the chromosomes condense, and the nuclear membrane breaks down, crossing over occurs
metaphase I the pairs of homologous chromosomes are moved to the equator of the cell
anaphase I the homologous chromosomes separate
telophase I nuclear membrane forms around the chromosomes, 2 cells move into cytokinesis
prophase II after one division, new spindle fibers form in the two cells
metaphase II individual chromosomes line up along the equator, attached at their centromeres to the spindles
anaphase II the centromeres divide, and the chromatids move to opposite poles of the cell
telophase II nuclear membrane forms around the chromosomes, 4 cells move into cytokinesis
Created by: jyoung271