Birth order effects on dermatoglyphs on fingers, palms, toes, and soles

American Journal of Human Biology : the Official Journal of the Human Biology Council
D P Mukherjee

Abstract

Coefficients of correlation of 47 dermatoglyphic traits with birth order vary widely in a sample of 145 sibships of a Bengali speaking population. In general, ridge-counts and pattern intensities tend to decrease with birth order. Linear effects of birth order are, however, significant in samples of two sexes only for ridge-counts on the ab regions of palms and on toes, and in males only for triradial number on toes, D-line exit, hallucal ridge-count and triradial number on soles, and ridge-count on index fingers. Their relative intensities do not follow the order of appearance or of heritabilites of the traits. The maximal atd angle, which has a negligible correlation with birth order, shows no consistent trend of a linear or non-linear change with birth order in the two sexes even within sibships.

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Citations

Aug 13, 2011·Annals of Botany·Anders S BarfodFinn Borchsenius
Sep 4, 2009·Journal of the Royal Society, Interface·Markus RüggebergThomas Speck
Feb 18, 2014·Annals of Botany·Allan Witztum, Randy Wayne
Mar 7, 2007·Journal of Experimental Botany·Hélène AdamJames W Tregear

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