Board Thread:Q & A/@comment-4097293-20150226082755/@comment-172.2.200.148-20160504014514

What caused Juliette to become a Hexenbiest? Totally possible that she was a recessive / gene-carrying Hexenbiest and didn't even know. We did learn a little about inheritance from Monroe and Rosalee in one episode:

wesen x wesen = 100% wesen child wesen x kehrseite = 50% chance of wesen child, 50% change of kehrseite-gentrager wesen x kehrseite-gentrager = 100% chance of wesen child

The only relative Juliette ever really talks about is her grandma. What if she was a kehrseite-gentrager ('gentrager' means 'gene carrier' in German) and her family hid her heritage from her because there was no point in her knowing? Or maybe they died before they could tell her?

Just FYI/credit: I read this theory in a fanfic (title "Addendum GW"), so yeah it's a theory and it's not mine. But it makes sense--at least, it accounts for Juliette having a Hexenbiest heritage without knowing about it.