ISSN: 0022-1198
CODEN: JFSCA
Page Count: 2

Allele and Genotype Frequencies for D1S80 Locus in a Brazilian Population Sample
Billerbeck, AEC
Faculdade de Medicina da Universidade de São Paulo,

Muñoz, DR
University of São Paulo, Rua Teodoro Sampaio,

Iwamura, ESM
University of São Paulo, Rua Teodoro Sampaio,

Soares-Vieira, JA
University of São Paulo, Rua Teodoro Sampaio,

Otto, PA
Universidade de São Paulo,

(Received 24 May 1999; accepted 3 August 1999)

Abstract

Gene and genotype frequencies in relation to the D1S80 locus were determined in a sample of 197 unrelated individuals (144 Caucasians and 53 Mulattoes), living in the city of São Paulo, Brazil. The Mulatto group was composed by mixed individuals who presented at least one negroid physical characteristic or declared themselves to be of mixed (Black-White) ancestry. Nineteen different alleles were detected in the Caucasian sample and 15 among Mulattoes. Alleles 18 and 24 were found to be the most common ones in the Caucasian population with frequencies of 0.173 and 0.357 respectively; the sample heterozygote frequency was estimated in 0.824. Alleles 18, 24, and 28 were found to be the most common alleles among Mulattoes with respective frequencies of 0.150, 0.349, and 0.113; the sample heterozygote frequency was 0.759. Fifty-five different genotypes were detected among Brazilian Caucasians whereas the respective figure among Mulattoes was 31. No significant deviations from Hardy-Weinberg equilibrium were found in both population samples.

Keywords:
forensic science, DNA typing, population genetics, D1S80, Brazil

Paper ID: JFS14752J
DOI: 10.1520/JFS14752J
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