Assertion: bison's offspring | /r/HasProperty | fertile
Facets:
value: always
type: DEGREE
value: in the first generation
type: TEMPORAL
Source sentences:
text: Though the American bison is not only a separate species, but also is usually regarded as being in a separate genus from domestic cattle (Bos taurus), they clearly have a lot of genetic compatibility and American bison can interbreed with cattle, although only the female offspring are fertile in the first generation.
text: Female offspring from this cross are also fertile, but males are not reliably fertile unless they are either ​7⁄ 8 bison or ​7⁄ 8 domestic.
text: Female offspring is always fertile.
text: The resulting offspring are usually fertile.