INHERITANCE IN ABNORMALITIES 



423 



TABLE 9 

 Data from eleven groups of Race A 



Chart 4 



Genetic history of the thirteen groups of Race A 

 (n = normal; ab = abnormal) 

 December 



9 



ab 



11 



13 



ab 



ab 

 ab 



ab 



ab 

 ab 



ab 



ab 



ab 

 ab 



ab 



15 



ab 



ab 



ab 

 n 



ab 



ab 

 ab 

 ab 

 ab 



ab 



17 



n 

 ab 



n 

 ab 

 ab 

 ab 

 ab 

 ab 



n 

 ab 

 ab 

 ab 

 ab 



n 



n 

 ab 



n 



Grou[) 



Al 



A2 



A3 



A4 



A5 



A6 



A7 



A8 



A9a 



A9b 



A9e 



AlOa 



AlOb 



All 



A12 



A13a 



A13b 



