The DNA between any two humans is about 99.9% identical. Except for the identical twins, variations in just a small fraction of our DNA account for the major ways in which one human is different from another. These small variations in DNA are called SNPs, which stands for 'single nucleotide polymorphisms' (SNPs is pronounced 'snips'). Scientists have identified about 1.4 million locations where single-base DNA difference occur in humans. This information promises to revolutionize the process of finding chromosomal locations for disease-associated sequences.
Yours in health,
Rhonda
... info from 'Your Genetic Compass' by Genewize
Thursday, August 20, 2009
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