Table 1 |
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Estimates of European ancestry and proportional African ancestries in African Americans by US region of birth |
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|
U.S. region of birth |
Numbera |
European ancestry (%) |
Total African ancestry (%)b |
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|
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|
Mandenka |
Yoruba |
Bantu |
Biaka |
Mbuti |
San |
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|
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|
West |
58 (58) |
19.9 ± 8.5 |
18.9 ± 4.1 |
64.0 ± 5.3 |
13.7 ± 4.3 |
1.1 ± 0.8 |
0.2 ± 0.2 |
2.0 ± 0.5 |
|
South |
12 (10) |
24.0 ± 15.6 |
22.6 ± 5.7 |
60.0 ± 9.5 |
14.2 ± 5.4 |
1.1 ± 0.7 |
0.2 ± 0.4 |
1.9 ± 1.0 |
|
Midwest |
4 (4) |
19.4 ± 10.2 |
19.4 ± 2.0 |
64.0 ± 5.5 |
13.1 ± 5.5 |
0.9 ± 0.9 |
0.3 ± 0.3 |
2.2 ± 0.7 |
|
Southwest |
2 (2) |
17.0 ± 6.5 |
21.4 ± 0.7 |
65.1 ± 1.0 |
10.5 ± 0.3 |
1.1 ± 0.4 |
0.1 ± 0.0 |
1.7 ± 1.0 |
|
All |
136 (128) |
21.9 ± 12.2 |
19.2 ± 4.0 |
63.7 ± 4.9 |
13.8 ± 3.8 |
1.0 ± 0.8 |
0.2 ± 0.3 |
2.0 ± 0.6 |
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|
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aNumbers in parentheses are those used for estimation of African ancestries after removal of eight individuals with high values of European ancestry; birth-location information was missing for 60 individuals. bBased on frappe analysis of African genotypes only (n = 128). |
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Zakharia et al. Genome Biology 2009 10:R141 doi:10.1186/gb-2009-10-12-r141 |
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