Any such instinct would be bred out o' the race.
The strain of man's bred out Into baboon and monkey.
Maybe these lesser Weres were trying to breed out; that is, have children by regular humans.
I think that here the mutant strains are being bred out.
If they could only breed out the instability!
Old traces of Longhorn blood seem to have been bred out now.
All three coat patterns will continue to exist and none can be bred out.
Any idiots or cripples have already shown up and been bred out.
Numbers affected are very low and within the next few generations, the trait should be bred out entirely.
I don't think we should feel so hopeless about breeding out other types.