PHENOMENA OF INHERITANCE 



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 



Dark 

 Eye Color: 



Brown 

 Skin Color: 



Dark' 



' Normal Pigmentation 

 Countenance: 



Hapsburg Type (Thick 

 lower lip and promi- 

 nent chin) 



German Type 

 Temperament: 



Nervous 

 Intellectual Capacity : 



Average 



Average 



Straight (Fig. 64) 

 Light to red 



Blue 



Light 



Albinism (Figs. 65, 66) 



Normal 



Jewish Type 

 Phlegmatic 



Very great 

 Very small 



