Fig. 25. Diagram to show formation of polar bodies in egg: I, early germ 

 cell, oogonium, with whole number of chromosomes paternal, black dots ; 

 maternal, clear rings; 2, division of Qogonial cell ; 3, first polar spindle ; 4, first 

 polar body; 5, second polar spindle and division of second polar body; 6, egg 

 after extension of polar bodies. 



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