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1039 parent-child pairs from a Polish population are analyzed for the occurrence of the major dermatoglyphic patterns on each of the ten digits. Correlations between father and son, father and daughter, mother and son, and mother and daughter, as well as parent and child regardless of sex, were calculated for the occurrence of whorls, ulnar loops, radical loops, either kind of loop, and arches on specific fingertips. Parental influence varied widely in the specification of the different patterns. Father-daughter correlations were generally higher for whorls, ulnar loops and arches, mother-daughter correlations were higher for total loops, and father-son for radial loops. These influences, which could be both genetic and nongenetic, must be further identified and quantified before pattern determination on specific finger­tips can be understood.