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Biology, 02.10.2019 04:30 lupitasgirl3326
Sperm cells must swim to the egg. what type of organelle must they contain? why?
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During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.
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Sperm cells must swim to the egg. what type of organelle must they contain? why?...
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