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Published online 18 December 2001 | Nature | doi:10.1038/news011220-8
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Racehorse relations
Modern thoroughbreds run on narrow genetic lines.
Morethan 95 per cent of today's male thoroughbreds are descended from just one stallion, and more than three-quarters of modern racehorse genes come from just 30 ancestors, new research reveals.
Geneticist Paddy Cunningham of Trinity College Dublin says that his team has carried out "the most complete analysis of the pedigrees ever made".
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