Bio 1 b

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  1. haploid
    term used to refer to a cell that contains only a single set of chromosomes therefore only a single set of genes.
  2. crossing over
    process in which homologous chromosomes exchange portions of their chromatids during meiosis.
  3. diploid
    term used to refer to a cell that contains both sets of homologous chromosomes
  4. homologous
    term used to refer to chromosome from the opposite sex parent
  5. cancer
    disorder in which some of the bodys own cells lose the ability to control growth.
  6. cyclin
    one of a family of closely related proteins that regulate the cell cycle in cytoplasm duing cell division.
  7. Telophase
    fourth and final phase of mitosis during which the chromosomes begin to disperse into a tangle of dense material.
  8. anaphase
    The third phase of mitosis during which the chromosome pairs seperate and move toward opposite poles.
  9. tetrad
    structure containing 4 chromatids that forms during meiosis.
  10. meiosis
    a process of reduction division in which the number of chromosomes per cell is cyt in half through the seperation of homologous chromosomes in a diploid cell.