Chargaff To determine whether DNA is responsible for differences between species Used paper chromatography to isolate DNA, and then analyzed the nucleotides via spectrophotometry Ratios of A:T and G:C in DNA are always both 1:1 Different species have different ratios of A and T to G and C (jan 1, 1944 – jan 1, 1952)
Added to timeline:
Date:
jan 1, 1944
jan 1, 1952
~ 8 years