Case I. Barred Plymouth Rock (male) x Cornish 

 Indian Game (female). 



The matings may be represented as follows: — 



BW BW = male gametes 



Female 



Gametes 



bW 



i.e. all barred fowls. 



•t-SJeSst" 



Fig. 19. — Results of crossing a Blaclv Lang- 

 shan (male) with a Barred Plymouth Rock 

 (female). 



Case 11. F, Barred {male) x Fi Barred {female) of 

 Case I. 



BW 



bW 



= male gametes 



Female 

 Gametes 



BW 



i.e. 25% black females. 



11- 



