NONCHROMOSOMAL GENES 



265 



Parents 



Meiosis 



Mitotic division of 

 haploid nuclei 



Progeny pairs 



Gene Segregation in Conjugation 



Meiosis 



1:1 



Gene Segregation in Autogamy 

 FIGURE 9.1 1 . Gene segregation at autogamy and conjugation in Paramecium. 



