The results of these experiments provided evidence that DNA was the biomolecule that carried genetic information .
Before that , Oswald Avery , Colin MacLeod , and Maclyn McCarty had shown that DNA led to the transformation of one strain of Streptococcus pneumoniae to another .
The results of these experiments provided evidence that DNA was the DNA that carried genetic information .
Before that , Oswald Avery , Colin MacLeod , and Maclyn McCarty had shown that DNA led to the transformation of one strain of Streptococcus pneumoniae to another .