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Tables 1 and 2 in Budowle et al. (Forensic Science Communications, July 2001)


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Forensic Science Communications July 2001 — Volume 3 — Number 3


red bar graphic spacer graphic (invisible)Tables 1 and 2

Population Data on the STR Loci
D2S1338 and D19S433
Bruce Budowle
Patrick J. Collins
Pero Dimsoski
Constance K. Ganong
Lori K. Hennessy
Craig S. Leibelt
Sulekha Rao-Coticone
Farideh Shadravan
Dennis J. Reeder
Table 1. Observed Allele Distributions
for the D2S1338 Locus
Allele/characteristic Population
African
American
(N = 167)
Caucasian
(N = 152)
Hispanic
(N = 142)
Chamorro
(N = 72)
Filipino
(N = 71)
16 4.491 2.961 1.761 2.778 2.817
17 10.180 19.408 22.183 10.417 7.746
18 6.587 5.263 4.225 8.333 5.634
19 13.772 14.474 26.056 18.750 21.831
20 6.287 15.461 14.085 11.111 7.746
21 15.269 1.974 1.056 1.389 4.225
22 13.772 2.961 7.042 9.722 6.338
23 9.880 13.487 12.324 17.361 13.380
24 9.281 12.171 6.690 13.194 26.056
25 8.383 9.539 3.873 5.556 3.521
26 2.096 2.303 0.704 0.694 0.704
27 0.000 0.000 0.000 0.694 0.000
Observed homozygosity 12.6% 14.5% 16.2% 11.1% 16.9%
Expected homozygosity 10.5% 12.7% 16.2% 12.0% 15.1%
Homozygosity test (P value) 0.384 0.516 0.990 0.810 0.663
Exact test (p value) 0.725 0.291 0.984 0.593 0.142
PD 0.975 0.964 0.953 0.961 0.950
PE 0.781 0.738 0.676 0.745 0.694
PD = discrimination probability; PE = probability of exclusion.
Table 2. Observed Allele Distributions
for the D19S433 Locus
Allele/characteristic Population
African
American
(N = 167)
Caucasian
(N = 152)
Hispanic
(N = 142)
Chamorro
(N = 72)
Filipino
(N = 71)
9 0.000 0.000 0.352 0.000 0.000
10 1.497 0.000 0.000 0.000 0.000
11 6.886 0.000 0.352 0.000 0.000
12 11.377 10.855 5.634 3.472 2.817
12.2 8.084 0.658 2.113 1.389 0.000
13 29.641 28.289 16.197 35.417 28.873
13.2 5.090 2.632 10.915 4.167 4.225
14 19.760 33.553 32.042 22.917 15.493
14.2 5.389 0.329 4.577 9.722 4.930
15 3.892 13.487 11.972 9.028 10.563
15.2 3.892 2.632 8.099 9.722 24.648
16 2.096 4.276 4.225 0.000 1.408
16.2 1.796 2.632 3.521 1.389 6.338
17.2 0.299 0.329 0.000 2.778 0.704
18.2 0.299 0.329 0.000 0.000 0.000
Observed homozygosity 20.4% 19.1% 15.5% 29.2% 16.9%
Expected homozygosity 15.8% 22.4% 16.8% 20.4% 18.3%
Homozygosity test (P value) 0.107 0.326 0.687 0.063 0.764
Exact test (p value) 0.396 0.876 0.413 0.223 0.805
PD 0.956 0.916 0.949 0.927 0.930
PE 0.692 0.573 0.676 0.609 0.635
PD = discrimination probability; PE = probability of exclusion.

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Forensic Science Communications July 2001 — Volume 3 — Number 3