SEGREGATION OF HOMOLOGOUS CHROMOSOMES PLATE 7 



E. ELEANOR CAROTHERS 



12 II 10 9 8 7 6 5 4 3 2 1 



43 



44 



45 



46 



47 



48 



4 H H i h^I < i 



M3 | f *lK***J 



HilfffHit 



507 



