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Genetic and environmental determinants of periodontal disease

✍ Scribed by Rao, D. C. ;Chung, C. S. ;Morton, N. E. ;Opitz, John M.

Publisher
John Wiley and Sons
Year
1979
Tongue
English
Weight
296 KB
Volume
4
Category
Article
ISSN
0148-7299

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✦ Synopsis

Reanalysis of data on periodontal disease in 241 families [Chung et al, 1977b1, based on an extended and more satisfactory path model [Rao et al, 19791, failed to detect significant heritability, and concluded in favor of cultural inheritance only, without maternal effects or intergenerational differences. The most parsimonious hypothesis yields a relative variance component of 0.338 * 0.024 due to indexed environment for both children and adults, the remainder ( 1 .O -0.338 = 0.662) being due t o residual nongenetic factors.

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