Description
This track indicates the locations on the reference genome of haplotype
sequences.  These positions on NCBI36/hg18 were mapped from the haplotype
locations on GRCh37/hg19.  The locations were established by NCBI and
specified in the ALT_REF_LOCI_?/placed_scaffolds/alt_locus_scaf2primary.pos
files at:
NCBI FTP site.