She shook her head sadly. "Jenova... Though her host may once have been Cetra, Jenova altered her beyond recognition - she corrupted the cells completely, which is why the Lifestream tends to react badly to those with awakened Jenova cells." Oh, not everyone; just look at Cloud. Then again, he was a bit of a special case.
At the suggestion that Genesis made, her expression brightened, and she automatically raised her hands to clasp them together. "I hope so. I pray so, for your sakes. No one should have to be without those they love."