Thoroughbred race horses all traced to one 17th century mare
All the great names in thoroughbred horse racing — from Secretariat to Man O’War, from Seabiscuit to Seattle Slew — they’re all related, and a team of geneticists has now traced their talent for speed back to a single ancestor. The “speed gene” that made them all so fast was apparently a genetic aberration, and it probably started with one British mare who lived in the mid-17th century.
Emmeline Hill of University College Dublin led a team that analyzed DNA in 593 horses from 22 modern breeds, … Read More → "Thoroughbred race horses all traced to one 17th century mare"

