Twenty Italian laboratories were involved in a collaborative study on the polymorphism of the locus D1S80. A total of 1720 blood samples of unrelated people collected in 19 Italian towns were analysed. The allelic frequencies reported by the participant laboratories were statistically homogeneous with the exception of one laboratory. More than 33 different alleles were found, ranging from 14 to over 41 repeats. Four interalleles were found and five alleles were larger than 41 repeats. A total of 146 genotypes was found. Phenotypic classes with expected frequency >4 were tested for Hardy-Weinberg equilibrium: the observed frequencies of the 51 classes did not differ significantly from the expected frequencies. No mutant allele was detected in 465 mother-child pairs.


Collaborative Study Italian Population Locus D1S80 Lower Upper Allelic Ladder 
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© Springer-Verlag Berlin Heidelberg 1996

Authors and Affiliations

  • G. Graziosi
    • 1
  1. 1.Department of BiologyUniversity of TriesteTriesteItaly

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