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16 Cards in this Set
- Front
- Back
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crossing over
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the exchange of genes by reciprocal segments of homologous chromosones during meiosis
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centriole
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a structure that aides in cell division found only in animal cells.
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asexual reproduction
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the production of offspring that does not involve the union of gametes.
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Anaphase
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third stage of cell division during which a nuclear membrane reforms around the chromosone and nucleus
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gamete
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a reproductive cell (egg or sperm)
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genetic recombination
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a new mixture of genes
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independent variable
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experimentally manipulated variable
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independent assortment
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during meiosis the random distribution of genes from different chromosones
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metaphase
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second phase of mitosis during which the chromosones move to the equator of the cell
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prophase
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first stage of mitosis and meiosis chromosones condense, nuclear membrane and nucleolus dissapear and centrioles migrate to opposite poles of the cell
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polar bodies
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the three small cells that do not develope during oogenesis
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oogenesis
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production of mature egg cells
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spindle fibers
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microtubles that arise from the centriole and aid in the separation of the chromosones during cell division
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spermatogenesis
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the production of sperm cells
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sexual reproduction
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the production of offspring from the combo of genetic material from two parents
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telophase
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final stage of cell division during which a nuclear membrane reforms around the chromosones and nucleolus.
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