10 



THE NEXT GENERATION 



4. When a blue Andalusian fowl is mated with another blue 

 hybrid like itself, one quarter of the offspring will be white, 

 another quarter will be black, while the remaining half will 

 be hybrid and will show it by being blue. 1 



COLOR INHERITANCE IN ANDALUSIAN FOWLS 



Follow the descendants of the first two and notice what occurs in successive genera- 

 tions when a pure-bred black Andalusian fowl and a pure-bred white Andalusian fowl 

 become ancestors. In studying the illustration remember that, in the second genera- 

 tion of offspring, the black one and the white one are mated with pure-breds like 

 themselves, which are not shown in the drawing 



With Andalusian fowls these laws of color inheritance 

 never vary. They can always be depended upon. They con- 

 tinue from generation to generation, and by knowing who the 



1 The number of individuals in the diagram for each generation does not 

 mean that there are always just so many chicks in each family. Instead, the 

 number is chosen for no other purpose than to show the proportion of 

 black and white and blue that comes in each generation of descendants 

 when a black Andalusian fowl is mated with a white Andalusian fowl. 

 Moreover, it is not meant that every family of four has one white, one 

 black, and two blue chicks, but only that this is true on the average. 

 There is just one chance in four that an egg will hatch out a white chick, 

 one chance in four that the chick will be black, and one chance in two 

 that it will be blue. 



