A three-factor cross in Salmonella typhimurium was performed using bacteriopage P22. The cross betwe… Show more A three-factor cross in Salmonella typhimurium was performed using bacteriopage P22. The cross between an arg-leu-his- recipient bacterium and bacteriophage P22, which was grown on an arg+leu+his+ strain. 1000 arg+ transductants were selected and tested on several selective media by replica printing. The following results were obtained: Arg+leu-his- 583 Arg+ leu- his+ 300 Arg+ leu+ his+ 114 Arg+ leu+ his- 1 What is the order of the three markers? What are the contransduction frequencies? Please answer the question throughly.. there are just way too many BS answers out there. • Show less



