jan 1, 1949 - Erwin Chargaff
Description:
Chargaff discovered that the proportions of DNA differed from species to species. He also discovered that the amount of thymine in a DNA molecule was equal to the amount of adenine, and the amount of cytosine was equal to the amount guanine. This is known as Chargaff’s rule.Added to timeline:
Date:
jan 1, 1949
Now
~ 77 years ago