ALFRED: allele frequency database
      The ALlele FREquency Database   
ALFRED is a resource of gene frequency data on human populations
supported by the U. S. National Science Foundation.

Sample Information:

Population NameSample NameALFRED UIDNumber of Chromosomes
HanSichuan HanSA002643P190

Relation to Other Samples: 
Estimated heterozygosities for various sites: 
Sample Description: This sample consists of healthy, unrelated Han individuals from Lezhi County of Sichuan province, China. Each individual was the offspring of a non-consanguineous marriage of members of the same nationality within three generations. Informed consent from the participants and the approval of appropriate local authority were obtained.
References:
- Mao R, Fan Y, Chen F, Fu S. "Genetic polymorphism of MTHFR G1793A in Chinese populations". Eur J Epidemiol. (Epub ahead of print) (2008)

- Mao R, Fan Y, Chen F, Sun D, Bai J, Fu S. "Methylenetetrahydrofolate reductase gene polymorphisms in 13 Chinese ethnic populations.". Cell Biochem Funct. 26:352-8. (2008) Online citation.


© 2012 Kenneth K Kidd, Yale University. All rights reserved. The full Copyright Notification is also available.
Originally prototyped by Michael Osier with the aid of Kei Cheung
Upgrades and maintenance since 2002 by Haseena Rajeevan