A cell undergoes conjugation and becomes partially diploid, with two copies of the following genes: Donor cell =bio- leu- cys+ phe+ thr- thi- Recipient cell = bio+ leu- cys+ phe+ thr- thi+ The resulting exconjugant will be auxotrophic for which amino acids?

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bio, leu, thr, and thi


leu and thr


bio, cys, phe, and thi


cys and phe


asked May 13, 2013 in Genetics by GeneX ~Top Expert~ (7,933 points)

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leu and thr

answered May 13, 2013 by GeneX ~Top Expert~ (7,933 points)

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