24 ноя 1950 г. - Erwin Chargaff

Описание:

First rule

rules:
A, T, C, G were not found in equal quantities

The amounts of the bases varied among species, but not between individuals of the same species

The amount of A always equalled the amount of T, and the amount of C always equalled the amount of G (A = T and G = C)

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