It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material.
Francis CrickThe meaning of this observation is unclear, but it raises the unfortunate possibility of ambiguous triplets; that is, triplets which may code more than one amino acid. However one would certainly expect such triplets to be in a minority.
Francis CrickProtein synthesis is a central problem for the whole of biology, and that it is in all probability closely related to gene action.
Francis CrickThere is no scientific study more vital to man than the study of his own brain. Our entire view of the universe depends on it.
Francis Crick