Clades versus Clones in Evolution: Why We Have Sex
- 24 October 1975
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 190 (4212) , 382-383
- https://doi.org/10.1126/science.1179215
Abstract
Sexual reproduction predominates among organisms mainly because most evolutionary change is concentrated in speciation events and asexual species cannot speciate in the normal sense. Asexual clones seldom diversify rapidly enough to overcome normal rates of extinction. In contrast, phylogenetic groups of sexual species (clades) commonly develop broad, heterogeneous adaptive zones rapidly enough to ensure survival.Keywords
This publication has 10 references indexed in Scilit:
- Sex and EvolutionJournal of Animal Ecology, 1975
- Group Selection, Sex, and FossilsEvolution, 1975
- A theory of evolution above the species level.Proceedings of the National Academy of Sciences, 1975
- The Allopatric Model and Phylogeny in Paleozoic InvertebratesEvolution, 1971
- On the evolutionary effect of recombinationTheoretical Population Biology, 1970
- Evolution in Sexual and Asexual Populations: A ReplyThe American Naturalist, 1969
- Evolution in Sexual and Asexual PopulationsThe American Naturalist, 1968
- Evolution in Sexual and Asexual PopulationsThe American Naturalist, 1965
- THE PROBLEM OF TRANSITION IN PALEONTOLOGYInternational Geology Review, 1964
- Animal Species and EvolutionPublished by Harvard University Press ,1963