MENDEL'S TWO LAWS 69 



kinds of individuals that contain at least one G and 

 one W ; 3 kinds that will contain at least one G and 

 two w's ; 3 kinds that will contain at least one W and 

 two (/'s ; and one kind that will contain neither G nor 



/^ 





GW 



G w 



gW 



gw 



/ 



GV 



Gw 



p- 



gw 



W 



Fig. 26. — Diagram to show the sixteen combinations in 7^, 

 when two pairs of factors are involved, namely, green, ^, and 

 yellow, G \ wrinkled, w, and round, W. 



W but two ^'s and two w's. Since yellow {G) domi- 

 nates green {g) , and round {W) dominates 

 wrinkled ( to ) there will be 



9 yellow-round : 3 yellow- wrinkled : 3 green- 

 round : 1 green-wrinkled. 



