INHERITANCE 



733 



.v^ve. 



>U1 





C; 



>-:>V 





'^A- 



)0 



Figure 169. Polytoma uvella (A, B) and P. pascheri (C, D) ; the four races used in 

 the breeding experiments of Moewus. (After Moewus, 1935b.) 



(monoecious species or races). Details as to sex determination will be 

 found in Chapter XIV; here sex will be dealt with only insofar as it 

 plays a role in the general system of inheritance. 



The flagellates exemplify in admirably simple form the system of in- 

 heritance in haploid organisms. The system is well exhibited in the 

 studies of Moewus (1935b) on inheritance in Polytoma. In this work 



