alignment allele amazon annotation annoucements api Aspera assembly Axiom bam bas Beagle bi-allelic browser capture cell lines chip citation consequence contact current.tree Data Access Data Analysis Data Reuse data slicer dbSNP DGVa Ensembl exome fastq File Format FTP gender gene expression genotypes GRCh37 HapMap high density genotyping images imputation impute2 Mach mart md5 NCBI NCBI36 Omni password pedigree Phase 1 Phase 2 phenotype pilot study population pull down reference RNAseq sample samples Search sequence statistics tabix targets tools torrent UCSC variants vcf