Seems fairly clear that you fix a breed by LIMITING the amount of alien infiltration. You make a race by homogeneity and by avoiding INbreeding.... No argument has ever been sprouted against it. You like it in dogs and horses.
Ezra PoundIt would be about as easy for an American to become a Chinaman or a Hindoo as for him to acquire an Englishness or a Frenchness or a European-ness that is more than half skin deep.
Ezra Pound