A mutation in a DNA molecule within a chromosome of a skin cell in my index finger has no influence on heredity. Fingers are not involved, at least directly, in the propagation of the species.
— Carl Sagan, The Dragons of Eden (1977)
Topics: science
A mutation in a DNA molecule within a chromosome of a skin cell in my index finger has no influence on heredity. Fingers are not involved, at least directly, in the propagation of the species.
— Carl Sagan, The Dragons of Eden (1977)
Topics: science