Study Yevamot folio 84A with parallel Hebrew-English text, traditional commentary, and modern study tools. Free access to Babylonian Talmud online.
Forbidden crossbred livestock, an animal with a condition that will cause it to die within 12 months [tereifa], an animal delivered through the abdominal wall, and an animal that is a tumtum or a hermaphrodite do not become sacred and do not render another animal sacred in their place.
And Shmuel said: They do not become sacred by way of substitution, i.e., if one had an animal that had been designated as an offering, and he wished to substitute one of these animals for it, the substituted animal does not become sacred. And they themselves do not render another animal sacred when
It is taught in the Mishnah that R' Eliezer says: If one had sex with a hermaphrodite, one is liable to be punished with stoning on his account as if one had sex with a male. It is taught on this matter in a baraita that R' Yehuda HaNasi says: When I went to learn Torah from R' Elazar ben Shamua,
Mishnah: There are women who are permitted to their husbands and forbidden to their yevamin, while others are permitted to their yevamin and forbidden to their husbands. Certain women are permitted both to these and to those, and others are forbidden to both these and to those.