A test of Yanofsky’s proposed trp operon gene map

The approximate locations of possible crossovers are numbered 1 through 4. For each cotransductant genotype, the required crossover sites are identifiedThe approximate locations of possible crossovers are numbered 1 through 4. For each cotransductant genotype, the required crossover sites are identified

Crossover analysis of cotransduction data (:ys+ trpC‘ trpB‘ OIIXCBXEI trpC+ Donor Recipient trpB* Transductant Transductant class Crossover events genotype cys+ trpC' trpB‘ cys+ trpC' trpB‘ trpC“ trpB+ cys* trpC’ trpB' cys+ trpC' trpB+ trpC‘ trpB+ cys‘ trp C ‘ trpB‘ 3 01.? cys+ trpC+ trpB+ trpC+ trpB‘r trpC‘ trpB‘ ozmxaxoz cyS' trpC” trpB+