Word: cavallier
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Now that Cavalli-Sforza's mammoth study is finally complete, it's time to start a fresh survey. Reason: new analytical techniques that in recent years have revolutionized the field of genetics. Instead of using indirect markers like blood groups, researchers can now determine the exact chemical sequences of long...
Collecting blood, particularly from ancient tribes in remote areas, was not always easy; potential donors were often afraid to cooperate, or raised religious taboos. On one occasion, when Cavalli-Sforza was taking blood samples from schoolchildren in a rural region of the Central African Republic, he was confronted by an...
The most distinctive members of the European branch of the human tree are the Basques of France and Spain. They show unusual patterns for several genes, including the highest rate of the Rh-negative blood type. Their language is of unknown origin and cannot be placed within any standard classification...
The daunting task of making a more refined genetic atlas now lies with the Human Genome Diversity Project (an offshoot of the ambitious Human Genome Project), which was set up by a committee of scientists chaired by Cavalli- Sforza. Its objective is to create a global data base over the...
The researchers believe they can ease such concerns. Already, the Human Genome Diversity Project is working with a U.N. organization to establish some guidelines. Cavalli-Sforza stresses that his mission is not just scientific but humanitarian as well. The study's ultimate aim, he says, is to "undercut conventional notions...