164 



HEREDITY AND SEX 



There is another way in which we may imagine that 

 the results are brought about. It is known that two or 



Fig. 83. — Diagram, illustrating on left (A) Boveri's hypothesis, on right 

 (B) the author's hypothesis, of gynandromorphism. 



more spermatozoa frequently enter the egg of the bee. 

 Should only one of them unite with the egg nucleus, 

 the parts that descend from this union will be female. 

 If any of the outlying sperm should also develop, 



