There were 2 missense mutations between yak and Chinese Simmental, 5 between yak and mall-tail Han sheep, more than that between yak and Chinese Simmental.

• 牦牛序列与小尾寒羊序列有5处错义突变，错义突变位点数多于中国西门塔尔牛与小尾寒羊序列间的错义突变位点数。