MENDELIAN SEGREGATION 



VESTIGIAL 



LONG 



F, 



cmnriiD 



GAMETES 



dHHHID SPERM 



cmmiiD 



OTTTTTTTD 



(1IIIIIIID 



FIG. 3. Vestigial winged by long winged (wild type) fly. The second 

 chromosome that carries the recessive factor for vestigial is cross-barred, 

 the corresponding chromosome of the normal is plain. 



