The Part Played by Recurrent Mutation in Evolution

@article{Haldane1933ThePP,
  title={The Part Played by Recurrent Mutation in Evolution},
  author={John Burdon Sanderson Haldane},
  journal={The American Naturalist},
  year={1933},
  volume={67},
  pages={5 - 19}
}
  • J. Haldane
  • Published 1 January 1933
  • Biology
  • The American Naturalist
Recurrent mutations not only provide the material for selection to act upon. They may give rise to primary and secondary effects, the former due to the accumulation of mutant genes, the latter to the selective value of conditions which protect the organism against lethal genes. Among the phenomena which can be accounted for by these phenomena are the disappearance of useless organs, recapitulation and the fact that the heterogametic sex is usually male. 
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The observed behavior of multiple allelomorphs largely supports, though that of specific modifiers seems to oppose, the view that complete dominance generally may be regarded as a product of such selective modification. Expand
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Among the phenomena which can be accounted for by these phenomena are the disappearance of useless organs, recapitulation and the fact that the heterogametic sex is usually male
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