genetics 101

Europe’s First Farmers Came from Afar: New Clues Shed Light on Genetic Ancestry of Modern Europeans

September 09, 2009
About 10,000 years ago, the prehistoric hunter-gatherers of Europe began meeting some new neighbors. These farmers spread gradually at first, expanding from the Near East through Anatolia and the Balkans....
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More on ABO Blood Type: The Key to Compatibility

August 05, 2009
Editor’s note: This post has been edited to reflect the current product. When it comes to blood transfusions, what’s good for one person might be deadly for another. This might...
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Novel Techniques Suggest Neanderthal Populations Dwindled in the Face of Expanding Humans

July 22, 2009
The Neanderthals have always held a special place in the field of anthropology.   The skeletal remains of our short, stocky evolutionary relatives have been found everywhere from Spain to...
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The Disappearing Y: New Study Uncovers the History and Future of the Y Chromosome

July 20, 2009
It may be you’ve heard a rumor that males are on the brink of extinction. Whatever you may think of that prospect, the rumor is false. But over the past...
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Archaeologists Discover Early Example of Domesticated Camels

July 09, 2009
Most experts agree that the earliest examples of farming and animal domestication lie in the aptly named Fertile Crescent, in present day Iraq.   But still many questions have lingered...
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People of the Veil: New Study Reveals Clues to Origins of the Nomadic Tuaregs

July 02, 2009
Not many people could survive the harsh conditions of the Sahara Desert.   Yet the Tuareg have lived in the the region for millennia. The Tuareg call themselves the Imazghan,...
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DNA Day 2009 — It’s Almost Here!

April 21, 2009
DNA Day was created in 2003 by a congressional resolution to celebrate two important milestones in the study of genetics: the 50th anniversary of the description of the double-helix structure...
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Baby, It’s Cold Outside: Researchers Tie Variation in Cancer Gene to Winter Temperatures

April 09, 2009
How can geneticists tell when a genetic difference between two human populations is an accident and when it’s the result of natural selection? As our species moved out of Africa...
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Understanding The Genetics of Parkinson’s Disease: A Work In Progress

March 19, 2009
PET scans showing dopamine activity in a normal brain and a Parkinson’s patient’s before and after treatment with a therapeutic implant. More than a million Americans have Parkinson’s disease, and...
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The Genetics of Globalization

March 17, 2009
Before 500 years ago people rarely went far to find a mate, choosing a husband or wife from the locally available pool of men and women. But with the dawn...
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