" BLENDING INHERITANCE 



(Compare Fig. 47, bottom left.) The grand- 

 parental conditions should in this case reappear 



.1 



I. 



.ill. 



i 



i 



FIG. 47. Diagrams to show the number and size of the classes 

 of individuals to be expected from a cross involving Mende- 

 lian segregation without dominance. One Mendelian unit 

 involved, bottom left; two units, middle left; three units, 

 top left; four units, right. 



in half the young. This clearly does not oc- 

 cur in the rabbit experiment. But if two unit- 



135 



