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Iceland

Study statistics

Loci
10 Autosomal STRs
Allele type
Length-based alleles
Sample size
151

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Bibliographic information

Date published
July 1, 2010
Title
Icelandic Population Data for the STR Loci in the AMPFlSTR®SGM Plus™ System and the PowerPlex® Y-system
Authors
Rune Andreassen, Luísa Pereira, Berit M. Dupuy, and Bente Mevaag
Journal
Forensic Science International: Genetics
Abstract

We present allele frequencies and statistical parameters of forensic interest for 10 autosomal STR loci and 12 Y-STR loci obtained from an Icelandic population sample. The testing of the STR loci in the AmpFlSTR®SGM Plus™ kit in 151 unrelated individuals showed heterozygosity frequencies ranging from 0.775 (vWA) to 0.874 (D2S1338). A significant deviation from Hardy–Weinberg equilibrium was observed in vWA, but it was not statistically significant after application of Bonferroni correction. The exact test of differentiation analysis revealed one significant departure from differentiation out of 45 pairwise comparisons, but the departure was not significant after Bonferroni's correction. Seventy-five different haplotypes were observed in the 100 male samples analysed for the twelve Y-STRs included in the PowerPlex® Y-system. No haplotype was observed more than four times. Pairwise comparisons for genetic distances based on the minimal haplotype diversity showed Iceland to be closer to Norway and Denmark than to Sweden, UK, Ireland and Greenland. As expected, the higher percentage of variation was observed within than among populations (90.40% versus 9.60%, respectively, for RST).

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Forensic parameters

Forensic parameters for each locus as reported by the authors.
Locus # MP PI Hobs Hexp PIC PD PE HWE
D16S539 - - - 0.821 0.763 - 0.888 0.639 0.051
D18S51 - - - 0.834 0.883 - 0.969 0.664 0.106
D19S433 - - - 0.828 0.780 - 0.892 0.616 0.525
D21S11 - - - 0.848 0.830 - 0.922 0.675 0.176
D2S1338 - - - 0.874 0.876 - 0.965 0.743 0.178
D3S1358 - - - 0.814 0.795 - 0.921 0.626 0.885
D8S1179 - - - 0.841 0.809 - 0.927 0.677 0.748
FGA - - - 0.854 0.860 - 0.953 0.691 0.168
TH01 - - - 0.828 0.778 - 0.908 0.679 0.250
vWA - - - 0.775 0.800 - 0.922 0.553 0.008

Allele frequencies

D16S539 D18S51 D19S433 D21S11 D2S1338 D3S1358 D8S1179 FGA TH01 vWA
6 0.288
7 0.246
8 0.003 0.013 0.113
9 0.142 0.023 0.117
9.3 0.217
10 0.03 0.007 0.07 0.021
11 0.344 0.007 0.007 0.073
12 0.245 0.166 0.055 0.149
13 0.195 0.136 0.243 0.003 0.268
13.2 0.022
14 0.036 0.113 0.379 0.149 0.275 0.146
14.2 0.007
15 0.003 0.142 0.173 0.288 0.113 0.06
15.2 0.026
16 0.109 0.063 0.036 0.225 0.017 0.182
16.2 0.015
17 0.106 0.011 0.199 0.166 0.301
18 0.119 0.004 0.076 0.156 0.024 0.212
18.2 0.004
19 0.05 0.096 0.007 0.066 0.089
20 0.033 0.172 0.176 0.01
21 0.01 0.026 0.11
22 0.033 0.179
23 0.003 0.109 0.159
23.2 0.003
24 0.116 0.193
25 0.116 0.069
26 0.02 0.021
27 0.032
28 0.184
29 0.26
30 0.288
30.2 0.016
31 0.088
31.2 0.04
32 0.008
32.2 0.048
33.2 0.024
34.2 0.012

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