Board Thread:Warhammer 40k General Discussion/@comment-4851119-20140118095944/@comment-8881468-20150122221736

Who does a mind wipe in w40k  inquisition and commissariat...   both institutions not around. in w30k. heck: fighting chaos is not around ( if they had only listened to the interex)

we also know that the respective primarchs were killed rather long before the monarchia events, and monarchia is before isstvaan. we also know that both primarchs were expunged by the emperor, that all primarchs at one time or another fouvht in the great crusade. we know that upon finding the lion he still had 19 vrothers, whereas upon finding corax, only 17 were left.

as for genes: keep in mind that the legions recruited from respective regions on terra and that empi knew the gene seed and applied the corresponding people ( see thosnd sons f.e)