PHENOMENA OF INHERITANCE 



295 



MENDELIAN INHERITANCE IN MAN (Continued) 



TERATOLOGICAL AND PATHOLOGICAL CHARACTERS 



Dominant 

 Nervous System: 

 Normal Condition 



Normal 



Normal 



Normal 



Normal 



Normal 



Huntington's Chorea 

 Muscular Atrophy 

 Eyes: 



Hereditary Cataract 

 Pigmentary Degenera- 

 tion of Retina 



Recessive 



General Neuropathy, e.g. 

 Hereditary Epilepsy 

 Hereditary Feeble-mind- 



edness 



Hereditary Insanity 

 Hereditary Alcoholism 

 Hereditary Criminality 

 Hereditary Hysteria 

 Multiple Sclerosis (Dif- 

 fuse degeneration of 

 nerve tissue) 

 Friedrich's Disease (De- 

 generation of upper 

 part of spinal cord) 

 Meniere's Disease (Diz- 

 ziness and roaring in 

 ears) 

 Chorea (St. Vitus 



Dance) 



Thomsen's Disease 

 (Lack of muscular 

 tone) 

 Normal 

 Normal 



Normal 

 Normal 



