MORGAN AND GOOD ALE, INHERITANCE IN POULTRY H7 



f Black 2 FNb f Nb 



i Barred 2 FNb fNB 



Fa i " $ fNB fNB 



^ " $ fNB f Nb 



Barring is dominant to self color, as is shown in the last case, where in 

 the Y 1 generation all the offspring are barred. In the second generation, 



Fi 



^^r msim im^m w*^ 



7T 



Fig. 1. — Cross of Plymouth Rock g to LangsJian 5 



there occur barred $ and both barred and black 2 . The grandmaternal 

 color, black, appears in the grand-daughters and not in the grandsons. 



The reciprocal cross between the Barred Bock female and the Lang- 

 shan male (fig. 2) may be represented as follows': 



Barred Rock 2 FNb fNB 



Langsban $ f Nb f Nb 



j Black 2 FNb fNb 



Fl | Barred $ fNB fNb 



C Barred 2 FNb fNB 



j Black 2 FNb fNb 



F2 j Barred $ fNb fNB 



^ Black $ fNb fNb 



