Assertion: gerbil's gene | /r/HasProperty | homozygous lethal
Facets:
Source sentences:
text: It is still unclear whether you can have a SlSl gerbil (bearing in mind the other two spotting genes are both homozygous lethal) but it is also unclear as to whether you can have an un-steel gerbil from a Steel parent – apparently (from 2013 data)