Answer:
bio- leu
leu- trp- bio
Explanation:
The media growth 'bio- leu ' and 'leu- trp- bio' would offer evidence that genetic transfer had taken place between the two strains of bacteria. These two strains of Escherichia Coli substantiate the genetic recombination through the conjugation of bacterial cells which was the prominent aim of experiment displayed by Lederberg and Tatum's genetic analysis. This mapping of chromosome E. coli assisted in recieving the ph.
