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Heritability of the Carabelli Cusp in Twins
Robert H. Biggerstaff
Department of Orthodontics, College of Dentistry, University of Kentucky, Lexington, Kentucky 40506, USA
The study of the Carabelli trait among 199 monozygotic and dizygotic twin pairs failed to demonstrate a high degree of heritability. Analyses of antimere differences in individuals indicated a lack of mirroring and no sexual dimorphism. Monozygotic twin pairs exhibited a higher concordance rate for corresponding tooth comparisons than dizygotic twin pairs.
Journal of Dental Research, Vol. 52, No. 1,
40-44 (1973)
DOI: 10.1177/00220345730520013301

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