«Apart from
stallion lines in Northern European breeds, all
stallion lines detected in other modern breeds derive from more recently introduced Oriental ancestors,» says Barbara Wallner at the University of Veterinary Medicine, Vienna.
Next, the scientists expanded their analysis to include 363 males representing 57 modern breeds (about one - fifth of all recognized modern breeds), giving them a comprehensive chart of which
stallion lines founded these breeds.
With the genetic genealogies in hand, it's now possible to elucidate the origin and relationship of
any stallion line in detail, the researchers say.
Not exact matches
As tiny mutations pop up in a
stallion's Y chromosome, they are inherited by all of its future male progeny, allowing geneticists to trace which males came from which paternal
line.
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