CHAPTER V 



LAWS OF INHERITANCE PUT TO USE 



During the year 1900 the National Association of British 

 and Irish Millers decided that the wheat yield of Great Britain 

 was far too small — that a better grade must be grown, and 



Variety in Heads of Wheat 



The upper row shows two parents with their offspring between them. The second 

 row shows six types that belong to the next generation of descendants. (Photo- 

 graphed from specimens supplied by Professor Biffen.) (From " Mendel's Principles 

 of Heredity," by W. Bateson) 



that they themselves must have the benefit of this new wheat 

 as promptly as possible. Accordingly they raised money and 

 asked certain scientists to do what they could to produce the 

 wheat for them. 



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