Non-Mendelian Genetics

AP Biology· difficulty 3/5

Continuous traits like skin color and height are typically

  • A

    Inherited cytoplasmically through mitochondrial DNA from the mother

  • B

    Controlled by a single gene with two alleles showing complete dominance

  • C

    Controlled by many genes (polygenic), often interacting with the environment

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  • D

    Determined entirely by sex-linked genes on the X chromosome only

Explanation

Many genes contribute additively, producing continuous variation rather than discrete categories.

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