Table 9.
Heterozygosity index and allelic frequencies of the BDNF Gene (Val66Met) polymorphism in global populations. Performed in the dbSNP-NCBI up to October 30, 2018.
| Population | Individual Group | Heterozygosity index | Alleles |
|
|---|---|---|---|---|
| Met | Val | |||
| African America | – | 13% | 6.5% | 93.5% |
| Asian | Han Chinese | 40% | 62% | 38% |
| Han Chinese | 49% | 41% | 59% | |
| Han Chinese | 46% | 60% | 40% | |
| Han Chinese | 38% | 63% | 37% | |
| Japanese | 37% | 37% | 63% | |
| Japanese | 0.0% | 49% | 51% | |
| Japanese | 33% | 34% | 66% | |
| European | Caucasians | 25% | 17% | 83% |
| Northern and Western European | 34% | 19% | 81% | |
| Western and Northern European | 29% | 18% | 82% | |
| Northern and Western European | 28% | 18% | 82% | |
| Sub-Saharan African | Yoruba Nigerian | 0.9% | 0.4% | 99.6% |
| Yoruba Nigerian | 0.0% | 0.0% | 100% | |