<prompt> The discovery of gene transformation came from the study of one of the following bacteria?Bacillus subtilisStreptococcus pyogenesStreptococcus pneumoniaeEscherichia coli  <response>: transformation is the transfer of genetic information through the agency of free DNA .it was the first eg of genetic exchange in bacteria to have been discoverd . griffith in 1928 found that mice died when injected with a mixture of live non capsulated pneumococci and heat killed capsulated pneumococci neither of which separately proved fatal REF:Ananthanarayan Panickers Textbook of Microbiology 8th edition pg no:63 