RANK-ORDER SELECTION IS CAPABLE OF MAINTAINING ALL GENETIC POLYMORPHISMS | Zendy

Christopher Wills | Zendy

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RANK-ORDER SELECTION IS CAPABLE OF MAINTAINING ALL GENETIC POLYMORPHISMS

Author(s) -

Christopher Wills

Publication year - 1978

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1093/genetics/89.2.403

Subject(s) - biology , selection (genetic algorithm) , loss of heterozygosity , genetics , population , evolutionary biology , rank (graph theory) , ranking (information retrieval) , genetic variation , population genetics , allele , gene , mathematics , combinatorics , computer science , machine learning , demography , sociology

The fitness of organisms may be due chiefly to a fitness curve imposed on their ranking in the population with respect to heterozygosity. If this is so, then the number of polymorphisms that can be retained at a particular selective equilibrium increases as the square of the population size. All of the genetic variation that we currently observe and infer to exist can probably be maintained by selection in a population of about 105 individuals. Selection acting in this way is so strong that these polymorphisms can be expected to behave very differently from neutral ones.

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