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Biology 12 Online
OpenStudy (anonymous):

A punnet square predicts a 9:3:3:1 ratio for phenotypes. Explain what that ratio means.

thomaster (thomaster):

9 of the offspring will be homozygotic or heterozygotic for both dominant traits 3 of the offspring will be homozygotic or heterozygotic for 1 dominant trait 3 of the offspring will be homozygotic or heterozygotic for 1 recessive trait 1 of the offspring will be homozygotic for both recessive traits.

OpenStudy (aaronq):

That ratio also means that the genes assort independently (follow mendelian genetics) meaning there is no linkage between them.

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