PHENOMENA OF INHERITANCE 



301 



more complete with regard to them than in the 

 case of normal characters. In many cases sta- 

 tistics are not sufficiently complete to deter- 

 mine with certainty whether the character in 

 question is dominant or recessive, and it must 

 be understood that in some instances the classi- 

 fication in this respect is tentative. A partial 

 list of these characters is given herewith: 



Mendelian Inheritance in Man 



normal characters 



Dominant Recessive 



Hair: 



Curly Straight 



Dark Light to red 



Eye Color: 



Brown Blue 



Skin Color: 



Dark 



Normal Pigmentation 

 Countenance : 



Hapsburg Type (Thick 

 lower lip and promi- 

 nent chin) 

 Temperament: 



Nervous Phlegmatic 



Intellectual Capacity: 



Average Very great 



Average Very small 



Light 



Albinism (Fig. 65) 



Normal 



