Early anaphase, 

 daughter chromosomes 

 have separated; faint 

 spindle fibers present 



Late prophase 



Metaphase: the nuclear membrane 

 is disappearing, chromosomes lining 

 up at equatorial plate 



Figure 15. The amoeba, reproducing by binary fission and showing both external appearance 

 and the division of the nucleus by mitosis. Begin study with the interphase stage and follow 

 the arrows. In the center of the diagram, the time in minutes for each stage is shown. Highly 

 magnified. (After Chalkley and Daniel.) 



37 



