
The genome assembly of human chromosome Y with real SNP position map. (A) A single SNP site with ID rs1053790, heterozygote frequency (HF) 0.26, and dbSNP validation status (VS) 2 (at least one sub-SNP in cluster has frequency data submitted). (B) A region with high density of SNPs. At the SNP site at position 57,440,427, the sequence error and alignment error potentially contribute wrong genotype A/C/G called at the position where the true genotype is C/G. (C) A deletion under the SNP site is due to an alignment error.











