HUMAN INHERITANCE 207 



generation as a result of imitation and training. If 

 it is unjust "to condemn a whole iieople' meaning 

 thereby a political group, how much more hazardous 

 is it, as some sensational writers have not hesitated to 

 do, to pass judgment as to the relative genetic in- 

 feriority or superiority of different races. 



If within each human social group the geneticist 

 finds it impossible to discover, with any reasonable 

 certainty, the genetic basis of behavior, the problems 

 must seem extraordinarily difficult when groups are 

 contrasted with each other where the differences are 

 obviously connected not only with material advan- 

 tages and disadvantages resulting from location, 

 climate, soil, and mineral wealth, but with tradi- 

 tions, customs, religions, taboos, conventions, and 

 prejudices. A little goodwill might seem more 

 fitting in treating these complicated questions than 

 the attitude adopted by some of the modern race- 

 proj^agandists. 



