View HapMap and other data

Find data for a chromosomal position

Chromosome 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 X Y coordinate to    

If you don't give coordinates (eg 200000 to 300000) you get the whole chromosome 

Find data around a gene

Gene symbol  

Where possible, use the official gene symbol (eg TNF) from HGNC 

Find data for a SNP

RefSNP number rs  

Make sure you have the official rs# from dbSNP

Show all haplotype data

Datasets can contain haplotypes or just genotypes, and MARKER can perform different functions on the haplotype datasets