(b) chromatin pattern character- 

 istic of "prophase" (filament of 

 cells on right); 



^3«fc" 0"^ 



• 



-f 



<« 





1% ^ 



(c) 



206 / CHAPTER 10 



Figure 10-3. Photomicrographs 

 Showing Changes in the Chromatin 

 Pattern During Replication in the 

 Blue-Green Alga. Anabaena vari- 

 abilis Kutz. (a) Typical chromatin 

 pattern in "interphase" cell (second 

 cell from top); 







' ^. 





(b) 



(c) chromatin pattern in "ana- 

 phase" cell (second cell from top). 

 (From Leak, L. V. and Wilson, 

 G. B., 1960. "The Distribution of 

 Chromatin in a Blue Green Alga 

 Anabaena variabilis Kutz," Can. J. 

 Genetics and CytoL, 2, Figs. 2, 4, 

 5, p. 322. Courtesy of Mr. L. V. 

 Leak, Michigan State University.) 



