Unformatted text preview: the volume of DNA in the nucleus for normal body cells, cells just prior to division and in gametes. This provided evidence that DNA was the genetic molecule because it corresponded with the behavior of chromosomes in mitosis and meiosis. 3. Erwin Chargaff's work in 1947: • The four nitrogen bases were not present in equal amounts • The amounts differed in different species • But • The amount of Adenine was always the same as Thymine • The amount of guanine was always the same as Cytosine This information is known as Chargaff's rules...
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This note was uploaded on 12/29/2011 for the course BIO 151 taught by Professor Edwards during the Spring '10 term at SUNY Stony Brook.
- Spring '10