The first systematic genome-wide comparison of the genetic heritage of yaks and cattle shows that about 1.5 percent of the genome of Mongolian yaks is derived from domesticated cattle. Credit: Sonja_Mathis
The first systematic genome-wide comparison of the genetic heritage of yaks and cattle shows that about 1.5 percent of the genome of Mongolian yaks is derived from domesticated cattle.

Cattle used to domesticate Mongolian yaks

Genome-wide comparison of genetic heritage of yaks and cattle suggests yak hybridization began thousands of years ago, including gene for polledness.

Although placid enough to be managed by people, yaks are robust enough to survive at an altitude of 4,000 m. Genomic analyses by researchers of Ludwig-Maximilians-Universitaet (LMU) in Munich, Germany, show that yak domestication began several millennia ago and was promoted by repeated crosses with cattle.

The first systematic, genome-wide comparison of the genetic heritage of yaks and cattle shows that about 1.5% of the genome of Mongolian yaks is derived from domesticated cattle. Wh

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