Hi,
I am confused about the position numbers. From ftp://ftp-trace.ncbi.nih.gov/1000genomes/ftp/release/20130502/ I downloaded ALL.chr17.phase3_shapeit2_mvncall_integrated_v5a.20130502.genotypes and printed the beginning of the file, which looks like this:
CHROM POS ID REF ALT QUAL FILTER
17 52 rs556541063 C A 100 PASS
17 56 rs145615430 C T 100 PASS
17 78 rs148170422 G C 100 PASS
17 80 rs183779916 G A 100 PASS
Are the reference numbers unique for each positions?
Thanks for the help
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bio •
1 answer
Assuming you mean the rs numbers with 'reference numbers' (e.g. rs556541063), those are dbSNP id's, (see also http://www.ncbi.nlm.nih.gov/projects/SNP/snp_ref.cgi?rs=556541063). Theoretically, these should be unique.
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