One of the mysteries of the English language finally explained.
A variation in a single base pair in a DNA sequence.
- ‘In recent years, the complete genome sequence and thousands of single nucleotide polymorphisms from laboratory mice, which are largely genetic hybrids between Mus musculus and M. domesticus, have become available.’
- ‘But 0.1 percent vary from person to person; many of those variations are known as single nucleotide polymorphisms or SNPs (pronounced ‘snips’).’
- ‘All of these variations are single nucleotide polymorphisms rather than insertions/deletions, and only two different nucleotides were observed at each of these sites.’
- ‘In contrast, analyses of Y chromosome single nucleotide polymorphism did not provide any clear evidence for demographic expansions.’
- ‘Such variations, called single nucleotide polymorphisms, or SNPs, occur about every 1,000 bases in our DNA and are generally considered to be harmless.’
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