CASTLE. — LAWS OF HEREDITY. 



239 



Diagram showing the Progkess of Selection in Cases of Alternative 



Inheritance. 



Gen. 



7 



A, Rate of Race Improvement by Elimination, Dominance being Alternative. 

 I), Same, Dominance being Uniform. 



A', Cliances in 100 of obtaining a Pure Individual, Dominance being Alternative. 

 jy y Same, Dominance being Uniform. 



