



Fit- 



Pure signatlcollis stock 

 is shotyn when crossed with 

 one of the extracted /> 

 lines that appear also 

 as a sig type coming from 

 the true breeding f/ sig. type. 



Pu-Elp-AfAfElp-Pu 

 V 



Pu-Elp-A 



& 



Af^Elp-Pu Pu'Elp'Al 

 II 



Pu-Elp-At^At^Elp-Pu 



Pu -Elp-AfAt°Elp-Pu 



To SHOW IN DETAIL THE COMPLICATION OF THE TEST REACTION DESCRIBED IN TEXT. 



jui-ros BiEN trrii.. n. v. 



