The ALlele FREquency Database   
A resource of gene frequency data on human populations
supported by the Yale Center for Medical Informatics.

ALFRED data download

IISNP and AISNP Panels Downloads
Selected Set Downloads
Database Table Downloads


FileDescriptionSizeCreated on
Microhap_alleleF_198.txt Allele frequency tables for 198 Microhaps - most on 96 population samples in text format (tab-delimited). Updated version of the previous file. Please use this file for your analysis. ~821KB12/06/2018

II and AISNP Panels

Up-to-date allele and genotype frequency tables for all the II and AI SNP panels can be downloaded from FROG-kb There are additional populations with frequency tables on individual markers from the panels that can be viewed from 'Polymorphism Information' page.

Selected Sets

FileDescriptionSizeCreated on
earwax_alleleF.txtTwo polymorphisms associated with 'ear wax' determinant type typed on 83 population samples in text format (tab-delimited) ~2KB9/7/2011
morn_eve_alleleF.txtA biallelic VNTR associated with ‘eveningness/morningness’ typed on 26 population samples in text format (tab-delimited) ~1KB9/7/2011
lactase_alleleF.txt6 polymorphisms associated with ‘lactase persistence’ typed on 5 population samples in text format (tab-delimited) ~3KB9/7/2011
TAS2R16_alleleF.txtTAS2R16 gene- coding polymorphisms typed on 60 population samples in text format (tab-delimited) ~18KB9/7/2011

Database Tables


© 2019 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