Phenomena of Inheritance 



117 



MENDELIAN INHERITANCE IN MAN (Continued) 



Dominant 

 Countenance; 

 Hapsburg Type (Thick lower 



lip and prominent chin) 

 Temperament: 



Nervous 



Intellectual Capacity: 

 Average 

 Average 



TERATOLOGICAL AND 



General Size: 



Achondroplasy (Dwarfs with 

 short stout limbs but with 

 bodies and heads of normal 

 size) 

 Normal size 



Hands and Feet: 



Brachydactyly (Short fingers 

 and toes) 



Syndactyly (Webbed fingers 

 and toes) 



Polydactyly. (Supernumerary 



digits) 

 Skin: 



Keratosis (Thickening of Epi- 

 dermis) 



Epidermolysis (Excessive for- 

 mation of blisters) 



Hypotrichosis (Hairlessness as- 

 sociated with lack of teeth) 

 Kidneys; 



Diabetes insipidus 



Diabetes mellitus 



Normal 



Nervous System: 

 Normal Condition 



Recessive 

 Normal 



Phlegmatic 



Very g'reat 

 Very small 



PATHOLOGICAL CHARACTERS 



Normal 



True Dwarfs (With all parts of 

 the body reduced in proportion) 



Normal (Fig. 39) 



Normal 



Normal (Fig. 38) 



Normal 

 Normal 

 Normal 



Normal 

 Normal 



Alkaptonuria (Urine dark after 

 oxidation) 



General Neuropathy, e.g. 

 Hereditary Epilepsy 

 Hereditary Feeble-mindedness 

 Hereditary Insanity 

 Hereditary Alcoholism 

 Hereditary Criminality 

 Hereditary Hysteria 



