Nothing in Biology Makes Sense Except in the Light of Evolution anthropology, and those who consider a creator to be unnecessary, such as Richard Dawkins who published "The Selfish Gene" just three years later. Nothing in Biology Makes Sense Except in the Light of Evolution "Nothing in Biology Makes Sense Except in the Light of Evolution" is a 1973 essay by the evolutionary biologist and Eastern Orthodox Christian Theodosius Dobzhansky, criticising anti-evolution creationism and espousing theistic evolution. The essay was first published in "American Biology Teacher" in 1973. Dobzhansky first used the title statement, in a slight variation, in a 1964 presidential address to the American Society of Zoologists, "Biology, Molecular
The Genetical Theory of Natural Selection chapter, Fisher considers the nature of inheritance, rejecting blending inheritance, because it would eliminate genetic variance, in favour of particulate inheritance. The second chapter introduces Fisher's fundamental theorem of natural selection. The third considers the evolution of dominance, which Fisher believed was strongly influenced by modifiers. Other chapters discuss parental investment, Fisher's geometric model, concerning how spontaneous mutations affect biological fitness, Fisher's principle which explains why the sex ratio between males and females is almost always 1:1, reproductive value, examining the demography of having girl children. Using his knowledge of statistics, the Fisherian runaway, which explores how sexual selection can