cross-posted from: https://piefed.blahaj.zone/c/lemmyshitpost/p/403453/this-one-goes-out-to-dennis-prager
I think this is referring to this
https://www.sciencealert.com/scientific-first-mice-with-two-fathers-now-have-offspring
It doesn’t use the chromosome from the mother at all and still produces fertile offspring, that’s the breakthrough.