SCOPE OF GENETICS 13 



and we may leave guessing till then. Mean- 

 while however there is no harm in admitting 

 that several of them behave much as if 

 they were ferments, and others ab if they 

 constructed the substances on which the fer- 

 ments act. But we must not suppose for a 

 moment that it is the ferment, or the objective 

 substance, which is transmitted. The thing 

 transmitted can only be the power or faculty 

 to produce the ferment or the objective 

 substance. 



So far we have been considering the 

 synthesis of the individual from ingredients 

 brought into him by the two gametes. In 

 the next step of our consideration we reverse 

 the process, and examine how the ingredients 

 of which he was originally compounded are 

 distributed among the gametes that are 

 eventually budded off from him. 



Take first the case of the components in 



