Inheritance Studies of Dairy and Beef Breeds. 



137 



presence of a dominant factor for a white spot in the coat to- 

 gether with several recessive factors. This is in truth the expla- 

 nation indicated from the results of Table IV and V, inserted to 

 show the typical behavior in inheritance for white spots of two of 

 the above mentioned areas. 



TABLE IV. 

 Inheritance of the White Markings on the Face (star). 



Mating. 



Character of resulting offspring. 



Sire 





Dam 







Star 

 Star 



Solid Color 

 Solid Color 



X 

 X 

 X 

 X 



Star 



Solid Color 



Star 



Solid Color 



1 Solid 

 10 Solid 

 15 Solid 

 13 Solid 



Color, 3 Star 

 Color, 3 Star 

 Color, 1 Star 

 Color 



Fi Star 



Star 



Pi 



Solid Color 



X 

 X 



Star 



1 Star 



2 Solid 





Solid Color 

 Solid Color 



Color 



Star 



X 



Star 



1 Solid 



Color 



Solid Color 



Star 



Pi 



Solid Color 



X 



Star 



2 Star, 



1 Solid Color 



Solid Color 



TABLE V. 

 Inheritance of the White Markings of the Inguinal Region. 



Mating. 



Character of resulting offspring. 



Sire 



Inguinal Spot 

 Inguinal Spot 

 Solid Color 

 Solid Color 



Pi 



Pi 



Inguinal Spot 

 Solid Color 



Inguinal Spot 

 Solid Color 



Dam 



Inguinal Spot 

 Solid Color 

 Inguinal Spot 

 Solid Color 



Solid Color 



Inguinal Spot 



19 Inguinal Spot, 5 Solid Color 



10 Inguinal Spot, 6 Solid Color 



4 Inguinal Spot 



1 Inguinal Spot, 2 Solid Color 



2 Solid Color 



2 Inguinal Spot, 1 Solid Color 



The difference in the inheritance of these two white areas 

 is evident even with a casual glance. White on the forehead is 

 in general recessive to solid color for solid color mated to star 



