A leading testing expert says DNA genotype testing is revealing how most of us have a little Neanderthal in our blood, and how our unique DNA sequence can reveal our origins and track our ancestors' migration over 50,000 ...
Apr 27, 2023
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In studies with mouse and human tissue, as well as live mice, Johns Hopkins Medicine researchers report that a snag in the normal process of cleaning up broken DNA in brain cells may hasten the progression of Parkinson's ...
May 19, 2022
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Normally, the two strands of the DNA double helix wind around each other in a right-handed spiral. However, there is another conformation called Z-DNA in which the strands twist to the left. The function of Z-DNA has remained ...
Jul 19, 2019
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With three billion letters in the human genome, it seems hard to believe that adding a DNA base here or removing a DNA base there could have much of an effect on our health. In fact, such insertions and deletions can dramatically ...
Aug 17, 2014
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Modern humans share about 95 percent of their genetic code with chimpanzees. Yet human brains, and what we do with them, are vastly different.
Feb 21, 2015
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Male DNA is commonly found in the brains of women, most likely derived from prior pregnancy with a male fetus, according to first-of-its-kind research conducted at Fred Hutchinson Cancer Research Center. While the medical ...
Sep 26, 2012
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How many stars are there in the observable universe? It was once deemed an impossible question, but astronomers have gleaned an answer—about one billion trillion of them.
Aug 14, 2019
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Thousands of never-before-seen genetic variants in the human genome have been uncovered using a new genome sequencing technology. These discoveries close many human genome mapping gaps that have long resisted sequencing.
Nov 10, 2014
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(Medical Xpress)—A study led by researchers from Lawrence Berkeley National Laboratory has found for the first time that thirdhand smoke—the noxious residue that clings to virtually all surfaces long after the secondhand ...
Jun 20, 2013
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An epigenetic change, a form of DNA control, that deactivates some genes linked to cancer late in human development has been conserved for more than 400 million years, new research led by the Garvan Institute of Medical Research ...
Jul 11, 2019
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