New genomic analyses suggest that the most common genetic variants in the human genome aren't the ones most likely causing disease. Rare genetic variants, the type found most often in functional areas of human DNA, are more often linked to disease, genetic experts at Duke University Medical Center report.
The study was published in the American Journal of Human Genetics on March 31.
"The more common a variant is, the less likely it is to be found in a functional region of the genome," said senior author David Goldstein, Ph.D., director of the Duke Center for Human Genome Variation. "Scientists have reported this observation before, but this study is the most comprehensive effort to date using annotations of the functional regions of the human genome and fully sequenced genomes."
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