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Unformatted text preview: r selection in this cross? b) You select 100 Gal + Ap r progeny and screen for the Arg & Lac markers. The following numbers of each phenotype are obtained (all are Gal + Ap r ). Arg + Lac + 20 Arg + Lac-75 Arg-Lac + 25 Arg-Lac-Draw a genetic map indicating the order of the Gal, Arg and Lac markers, and the crossover events leading to each phenotype (indicate which DNA is the recipient chromosome and which is the Hfr donor). (Do not need to indicate actual distances, just the order)....
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- Fall '08