Biology Reference
In-Depth Information
Table 11.2 The result of a paternity test using the Powerplex 16 STR Kit (Promega). The
alleles that the child could have inherited from the mother are underlined and the paternal alleles
are shown in bold. The A , B , C and D symbols correspond to symbols in Table 11.1
Mother
Tested
Locus
Child ( G C )
( G M ) a ( G TM ) Num Denom
PI
P i/j
PI
P A
2
1
2 p A
D3S1358 1 5 A
15 A
14 B
15 A
15 A
19 C
1
/ 4
0.3239
1.54
P B
2
1
2 p B
17 B
18 A
16 C
18 A
17 B
18 A
VWA
0.2715
1.84
1
/ 4
P B
2
1
2 p B
11 A
12 B
11 A
13 C
12 B
13 C
D16S359
1
0.2773
1.80
/ 4
P A + P B
2
1
p A + p B
0 . 0630
0 . 3033
10 A
13 B
10 A
13 B
10 A
10 A
D8S1179
1
/ 2
2.73
P B
2
1
2 p B
D21S11
30 A
32.2 B
30 A
31 C
27 D
32.2 B
0.1245
4.02
1
/ 4
P A + P B
2
1
2( p A + p B )
0 . 1326
0 . 2063
13 A
14 B
13 A
14 B
12 C
14 B
D18S51
1
1.48
/ 4
P A + P B
2
1
2( p A + p B )
0 . 1407
0 . 2624
9 A
9.3 B
9 A
9.3 B
6 C
9.3 B
THO1
1
1.24
/ 4
P B
2
1
p B
18 A
23 B
18 A
25 C
23 B
23 B
FGA
1
0.1440
6.94
/ 2
P B
2
1
2 p B
8 A
13 B
8 A
11 C
11 C
13 B
D13S317
1
/ 4
0.1444
3.46
P A
2
1
2 p A
CSF1PO
11 A
11 A
11 A
13 B
11 A
13 B
0.2916
1.71
1
/ 4
P A
2
1
2 p A
9 A
9 A
9 A
10 B
9 A
11 C
D7S820
1
0.0998
5.01
/ 4
1
p B
P B
2
8 B
10 A
10 A
11 C
8 B
8 B
TPOX
1
0.5243
1.91
/ 2
P A + P B
2
1
p A + p B
0 . 3618
0 . 2992
11 A
12 B
11 A
12 B
11 A
12 B
D5S818
1
/ 2
1.51
P B
2
1
2 p B
13 B
15 A
12 C
15 A
12 D
13 B
Penta D
1
0.1726
2.90
/ 4
1
2 p B
10 A
18 B
10 A
10 A
16 C
18 B
Penta E
1
/ 2
P B
0.0304
16.4
Combined PI
2 920 823
The allele frequencies were taken from Marino et al . [17].
Taking the above paternity test it is possible to turn the LR into a probability of
paternity for any prior odds of paternity; for example:
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