A majority of mutations, both those arising in laboratories and those stored in natural populations, produce deteriorations of... viability, hereditary disease and monstrosities. Such changes it would seem, can hardly serve as evolutionary building blocks.


Genetics and the Origin of Species, Chapter III (p. 73), Columbia University Press. 1951

Theodosius Dobzhansky Quotes

A majority of mutations, both those arising in laboratories and those stored in natural populations, produce deteriorations of... viability,...

A majority of mutations, both those arising in laboratories and those stored in natural populations, produce deteriorations of... viability,...

A majority of mutations, both those arising in laboratories and those stored in natural populations, produce deteriorations of... viability,...

A majority of mutations, both those arising in laboratories and those stored in natural populations, produce deteriorations of... viability,...