A gene-culture model of human handedness
| Autor: | Jochen Kumm, Marcus W. Feldman, Van Horn Jd, Kevin N. Laland |
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| Rok vydání: | 1995 |
| Předmět: |
Persistence (psychology)
Genetics Likelihood Functions Cultural Characteristics Models Genetic Concordance Genetic Variation Social Environment Biological Evolution Functional Laterality Phenotype Variation (linguistics) Genetic variation Trait Humans Selection Genetic Psychology Cultural transmission in animals Gene Genetics (clinical) Ecology Evolution Behavior and Systematics Selection (genetic algorithm) |
| Zdroj: | Behavior Genetics. 25:433-445 |
| ISSN: | 1573-3297 0001-8244 |
| DOI: | 10.1007/bf02253372 |
| Popis: | A model of handedness incorporating both genetic and cultural processes is proposed, based on an evolutionary analysis, and maximum-likelihood estimates of its parameters are generated. This model has the characteristics that (i) no genetic variation underlies variation in handedness, and (ii) variation in handedness among humans is the results of a combination of cultural and developmental factors, but (iii) a genetic influence remains since handedness is a facultative trait. The model fits the data from 17 studies of handedness in families and 14 studies of handedness in monozygotic and dizygotic twins. This model has the additional advantages that it can explain why monozygotic and dizygotic twins and siblings have similar concordance rates, and no hypothetical selection regimes are required to explain the persistence of left handedness. |
| Databáze: | OpenAIRE |
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