4 Quotes by Hermann Joseph Muller

The gene as the basis of life.

To say that a man is made up of certain chemical elements is a satisfactory description only for those who intend to use him as a fertilizer.

The central problem of biological evolution is the nature of mutation, but hitherto the occurrence of this has been wholly refractory and impossible to influence by artificial means, although a control of it might obviously place the process of evolution in our hands.

Natural selection based on the differential multiplication of variant types cannot exist before there is material capable of replicating itself and its own variations, that is, before the origination of specifically genetic material or gene-material.