GENES MODIFYING NOTCH. 



373 



forked stock, that stock is not suited to t^st the location of the reRular 

 modifier for short Notch. The experiment was not carried further. 



Reciprocally, when the male of short-Notch stock was crossed to 

 selected female, the Fi Notch females were atavistic, indiratiiiK thiit 

 the Notch gene of the selected stock lias not itself clianged, and that 



Fia. 96. 



