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All Thoroughbred Racehorses Share A Single Ancestor

From
Secretariat to Seabiscuit, it turns out that all thoroughbred race horses
were all related. They shared a single ancestor in the mid 17th century,
whose "speed gene" was a genetic aberration:

Emmeline Hill of University College Dublin led a team that analyzed
DNA in 593 horses from 22 modern breeds, as well as museum specimens
from 12 historically famous stallions. Modern genetics have become sophisticated
enough that they could tell, with considerable precision, what the horses
had in common.

"The results show that the ’speed gene’ entered the thoroughbred
from a single founder, which was most likely a British mare about 300
years ago when local British horse types were the pre-eminent racing
horses, prior to the formal foundation of the thoroughbred racehorse,"
said Hill in a prepared statement.

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Date
January 29th, 2012

Author
Stranger to the World

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