1 70 



MAIZE 



CHAP. 129. Alldomorphic Pairs of Unit-characters. — A plant 



either possesses a particular unit-character or does not possess 

 it ; it is either tall, or it is not tall, its grain is either blue or it 



Fig. 76. — Segregation of characters in the F.. seed generation ; G, H, and 

 I, all-white ears. 



