THEORY OF EVOLUTION 



53 



round. There has been a recombination of char- 

 acters, while at the same time the results, for 

 each pair of characters taken separately, are in 



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Fig. 21. Cross between yellow-round and green-wrinkled 

 peas, giving the 9: 3: 3: 1 ratio in F.. 



accord with ^Mendel's Law of Segregation, 

 (fig. 22). The second law of Mendel may be 

 called the law of independent assortment of 

 different character pairs. 



We can, as it were, take the characters of 

 one organism and recoinbine them with those 



