"a female who is the twin of a bull usually becomes an infertile partial intersex"@en. . . . . . . "Source: Freebase - The World's database". "Other"@en. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .