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| mechanism used to create haploid, sex cells; final chromosome number is 23 |
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| mechanism used to produce daughter cells, equal division occurs; final chromosome # is 46 |
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| the structure that holds genetic information (DNA) together in the nucleus, there are 23 pairs in humans |
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| a section DNA that codes for a particular protein; can be turned on and off as necessary |
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| "survival of the fittest," certain members of a population have traits that make them more adapted to the environment and they are more likely to reproduce |
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| differences between members of the same species |
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| characteristics of an organism, ex: hair color, eye color, shape of teeth, skin color, etc. |
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| simple, unicellular organisms, typically bacteria, do NOT have membrane-bound organelles, have cell walls |
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| unicellular or multicellular organisms, have membrane-bound organelles |
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