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lecture_6.page02 - Gene interaction In dihybrid Mendelian...

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Unformatted text preview: Gene interaction In dihybrid Mendelian segregation, the phenotypic effects of locus A are independent of those of locus B: Recall that F2 segregation is A-B- A-bb aaB- aabb For example (snake color on page 240) 0 is responsible for orange pigment synthesis B for black pigment synthesis 00% X 0033 OoBb O-B- fully pigmented 0-bb orange 003- black oobb colorless The 0 and B genes do not interact because the two colors can be discerned in the O-B- phenotype. ...
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