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Genetic Disorders loading

Disadvantageous physical traits that come from uncommon alleles of a gene. These are often inherited in a recessive manner.

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Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
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Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Video


    by CK-12 //basic
    Illustrates a problem that can occur during gametogenesis. Down's syndrome arises when two sister chromatids fail to separate during the final stages of meiosis. Start at 1:10 if you just want to see the nondisjunction.
    This indicates how strong in your memory this concept is
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