No practical biologist interested in sexual reproduction would be led to work out the detailed consequences experienced by organisms having three or … - Ronald Fisher

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No practical biologist interested in sexual reproduction would be led to work out the detailed consequences experienced by organisms having three or more sexes; yet what else should he do if he wishes to understand why the sexes are, in fact, always two?

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About Ronald Fisher

Sir Ronald Fisher (17 February 1890 – 29 July 1962) was an evolutionary biologist, geneticist and statistician. He was the father-in-law of George Box.

Also Known As

Native Name: Sir Ronald Aylmer Fisher
Alternative Names: Ronald A. Fisher Ronald Aylmer Fisher R. A. Fisher Sir Ronald Fisher
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No, I cannot believe in the light of this speech that the reward of Lysenko's triumphant career is the advance of scientific knowledge; nor that it is the prosperity of poor peasants. The reward he is so eagerly grasping is Power, power for himself, power to threaten, power to torture, power to kill.

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...it was Darwin’s chief contribution, not only to Biology but to the whole of natural science, to have brought to light a process by which contingencies a priori improbable, are given, in the process of time, an increasing probability, until it is their non-occurrence rather than their occurrence which becomes highly improbable. … Let the reader … attempt to calculate the prior probability that a hundred generations of his ancestry in the direct male line should each have left at least one son. The odds against such a contingency as it would have appeared to his hundredth ancestor (about the time of King Solomon) would require for their expression forty- four figures of the decimal notation; yet this improbable event has certainly happened.

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