Dermatoglyphics in Twins
- 1 October 1972
- journal article
- research article
- Published by Cambridge University Press (CUP) in Acta geneticae medicae et gemellologiae
- Vol. 22 (1) , 91-98
- https://doi.org/10.1017/s1120962300017613
Abstract
Summary: The degree of genetic determination of 4 digital and 16 palmar characteristics was investigated in an unselected series of 49 MZ and 51 DZ adult twins. Low indications of heritability were obtained for the qualitative traits, but 6 of the 8 h2 estimates calculated for the quantitative measurements gave values above 0.70. In general, the results reported here are in agreement with those presented by other authors; however, the correlation coefficients observed for the A′d ridge count were lower than those of two other series. All palmar ridge counts seemed to be intercorrelated in a given individual; other expected relationships, however, were not observed. The fingerprints of MZ and DZ twins on the other hand, showed an unexplained difference.Keywords
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