Inbreeding depression and intelligence quotient among north Indian children
Article
- 102 Downloads
- 12 Citations
Abstract
This study presents the assessment of inbreeding depression on the intelligence quotient among north Indian Muslim Children of school age. The Weschler Intelligence Scale for Children (WISC-R)-74 was given to the children in both groups (50 each non-inbred and inbred of the first-cousin status), aged 6 to 11 years and from the same socio-economic status. The change of the mean follows genetic theory; however, the nature of the change in variance seems to be somewhat different.
Key Words
Inbreeding depression WISC-R intelligence quotient first cousinsPreview
Unable to display preview. Download preview PDF.
References
- Adams, M. S., and Neel, J. V. (1967). Children of incest.Pediatrics 40:55–62.Google Scholar
- Afzal, M. (1988). Consequences of consanguinity or cognitive behaviour.Behav. Genet. 18:583–593.Google Scholar
- Afzal, M., and Badaruddoza (1990). A preliminary study on inbreeding effects on intelligence quotient profile among Sunni Muslims of Aligarh.Biol. Bull. Ind.,12:1–8.Google Scholar
- Afzal, M. and Sinha, S. P. (1983). Consanguinity effect on intelligence quotient and neonatal behaviours of Ansari Muslim children.Proc. Ind. Natl. Sci. Acad. B,46(5):407–411.Google Scholar
- Afzal, M., and Sinha, S. P. (1984). Effect of consanguinity on intelligence quotient of Bilhari Muslim Children. In Manna, G. K., and Sinha, U. (eds.)Perspectives in Cytology and Genetics; Vol. 4, pp. 114–117.Google Scholar
- Agrawal, N., Sinha, S. N., and Jensen, A. R. (1984). Effect of inbreeding on Raven matrices.Behav. Genet. 14:579–585.Google Scholar
- Badaruddoza and Afzal, M. (1991). Inbreeding in human population.Man in India 2(4):431–453.Google Scholar
- Barrai, L., Cavalli Sforza, L. L., and Mainardi, M. (1964). Testing a model of dominant inheritance for metric traits in man.Heredity 19:651–668.Google Scholar
- Bashi, J. (1977). Effects of inbreeding on cognitive performance.Nature 226:440–442.Google Scholar
- Basu, S. K. (1985). Inbreeding in India, Its genetic consequences and implications in health care. InPopulation Genetics and Health Care; Issues and Future Strategies, NIHFW, New Delhi.Google Scholar
- Böök, J. A. (1957). Genetical investigations in a North Swedish population. The offspring of first cousin marriages.Ann. Hum. Genet. 21:191–221.Google Scholar
- Carter, C. O. (1967). Risk to offspring of incest.Lancet 1:436.Google Scholar
- Cohen, T., Block, N., Flam, Y., Kadar, M., and Goldschmidt, E. (1963). School attainments in an immigrant village. In Goldschmidt, E. (ed.),The Genetices of Migrant and Isolate Population, Williams & Wilkins, Baltimore.Google Scholar
- Crow, J. F., and Kimura, M. (1970).An Introduction to Population/Genetics Theory, Harper & Row, New York.Google Scholar
- Dickinson, A. G., and Jinks, J. L. (1956). A generalised analysis of diallel crosses.Genetics 41:65–78.Google Scholar
- Falconer, D. S. (1981),Introduction to Quantitative Genetics, Oliver and Boyd, Edinburgh.Google Scholar
- Jensen, A. R. (1978). Genetics and behavioural effects on nonrandom mating. In Osborne, R. T., Noble, C. E. and Weyl, N. (eds.),Human Variation: The Biopsychology of Age, Race, and Sex, Academic Press, New York, pp. 51–105.Google Scholar
- Jensen, A. R. (1983). The effects of inbreeding on mental ability factors.Personal. Indiv. Diff. 4:71–87.Google Scholar
- Kamin, L. J., (1980). Inbreeding depression and IQ.Psychol. Bull. 87:469–479.Google Scholar
- Li, C. C. (1955)Population Genetics, University of Chicago Press, Chicago.Google Scholar
- Mather, K. (1949).Biometrical Genetics, Methuen, London.Google Scholar
- Neel, J. V., Schull, W. J., Yamamote, M., Uchida, S., Yanase, T., and Fujiki, N. (1970). The effects of parental consanguinity and Inbreeding in Hirado, Japan. II Physical development, tapping rate, blood pressure, intelligence quotient, and school performance.Am. J. Hum. Genet. 22:263–266.Google Scholar
- Niswander, J. D., and Chung, C. S. (1965). The effects of inbreeding on tooth size in Japanese Children.Am. J. Hum. Genet. 17:390–398.Google Scholar
- Reed, W. E., and Reed, S. C. (1965).Mental Retardation: A Family Study, Saunders, Philadelphia.Google Scholar
- Schull, W. J., and Neel, J. V. (1965).The Effects of Inbreeding on Japanese Children, Harper & Row, New York.Google Scholar
- Schull, W. J., and Neel, J. V. (1972), The effects of Parental consanguinity and inbreeding in Hirado, Japan. V. Summary and interpretation.Am. J. Hum. Genet. 24:425–453.Google Scholar
- Schwartz, M., and Schwartz, J. (1974). Edivence against a genetical component to performance on IQ tests.Nature 248(5443):84.Google Scholar
- Seemanova, E. (1971). A study of children of incestuous matings.Hum. Hered. 21:108–128.Google Scholar
- Slatis, H. M., and Hoene, R. E. (1961). The effect of consanguinity on the distribution of continuously variable characteristics.Am. J. Hum. Genet. 13:28–31.Google Scholar
- Wright, S. (1921). Systems of mating. II. The effects of inbreeding on the genetic composition of a population.Genetics 6:124–143.Google Scholar
Copyright information
© Plenum Publishing Corporation 1993