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~ (7,947 points)
    

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leu and thr

answered May 13, 2013 by GeneX ~Top Expert~ (7,947 points)

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