INHERITANCE OF WHITE-SPOTTING IN RABBITS. 



15 



esis white is dark plus tan. Therefore, white crossed with FI should 

 produce four kinds of zygotes: (a) dark and tan united with white 

 (dark and tan), equivalent to homozygous white; (6) dark united 



No 

 50- 



40 



30- 



20- 



20- 



10- 





 90- 



80- 

 70- 

 60- 

 50- 

 40- 

 30- 

 20- 

 10- 









F,,DxT 



2 . DxT 



50- 



30- 



20- 



10- 



20 

 10 



10- 



20- 



20- 



10- 



L 



Fi,DxT 





F, xT 



F, xD 



F, xW 



Grade I 2 3 4 5 6 7 8 9 10 II 



I 2 3 4 5 6 7 8 9 10 

 TEXT-FIGURE 5. 



12 13 14- 15 16 17 



with white; (c) tan united with white; and (d) self (neither dark nor 

 tan) united with white. The observed modal values of these four 

 kinds of combinations are respectively, in terms of grades: (a) 16 



