| Chargaff's rule | In DNA the number of adenine units equals the number of thymine units; likewise, the number of guanine units equals the number of cytosine units. (05 Mar 2000) |
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| Chargaff, Erwin | <person> Austrian-U.S. Biochemist, *1905. See: Chargaff's rule. (05 Mar 2000) |