36 



HEREDITY 



The simpler features of the laws of Heredity as elucidated by Mendel 

 Heredity ant * ^ s f°U° w ers are illustrated by the inheritance of 



seed-coat color in the common pea, the color of sweet 

 peas, and the coat-color of rats. 



Return to the elevators and ascend to the second floor. 



ENLARGED MODEL OF A RADIOLARIAN 



