DNA from a strain of Bacillus subtilis with the genotype trp+ tyr+ was used to transform a recipient strain with the genotype trp− tyr−. The following numbers of transformed cells were recovered: Genotype Number of transformed cells trp+ tyr− 154 trp− tyr+ 312 trp+ tyr+ 354 What do these results suggest about the linkage of the trp and tyr genes?

Question

DNA from a strain of Bacillus subtilis with the genotype trp+ tyr+
was used to transform a recipient strain with the genotype trp− tyr−.
The following numbers of transformed cells were recovered:
Genotype Number of transformed
cells
trp+ tyr− 154
trp− tyr+ 312
trp+ tyr+ 354
What do these results suggest about the linkage of the trp and tyr
genes?

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