single nucleotide polymorphisms (SNPs) single nucleotide polymorphisms (SNPs) SNPs SNPs http://ghr.nlm.nih.gov/handbook/genomicresearch/snp http://ghr.nlm.nih.gov/handbook/genomicresearch/snp variations single nucleotide polymorphisms SNPs variations called single nucleotide polymorphisms Single-Nucleotide Polymorphisms http://ghr.nlm.nih.gov/handbook/genomicresearch/snp SNPs single nucleotide polymorphisms single nucleotide polymorphism http://ghr.nlm.nih.gov/handbook/genomicresearch/snp SNP DNA ‘letters’ at particular spots SNPs http://ghr.nlm.nih.gov/handbook/genomicresearch/snp http://ghr.nlm.nih.gov/handbook/genomicresearch/snp single nucleotide polymorphisms SNPs http://ghr.nlm.nih.gov/handbook/genomicresearch/snp single nucleotide polymorphisms SNPs single nucleotide polymorphisms (SNPs) "What are single nucleotide polymorphisms (SNPs)?" variations called single nucleotide polymorphisms SNPs DNA ‘letters’ at particular spots SNPs single-nucleotide polymorphisms SNPs