RANGE OF SIZE 



83 



Through these agents the size and number of the chromosomes 

 must be adapted to the needs of the organism. Later we shall see 



Table 10 

 Range in Size and Number of Chromosomes in Animals and Plants ^ 



^ Illustrations showing the general variation of chromosome form in 

 flowering plants are found in Lewitsky (1931) and Matsuura and Suto (i935)- 



