96 



GENETICS AND EUGENICS 





ters, short, colored, and rough, which had been the exclusive 

 Fi type (Fig. 42) ; the smallest class was the one which mani- 

 fested the three recessive characters, long, albino, and smooth 



Fig. 48. Diagram to explain the simultaneous and independent inheritance of short (S) 

 colored (C) and rough (R) fur in the cross shown in Figs. 40-47. 



(Fig. 46). Theoretically these two classes should be to each 

 other as 27 : 1. Of the twenty-seven triple dominants, 

 twenty-six should be heretozygous. The triple recessive 

 would of course be fully homozygous. 



