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Missouri Agricultural Report. 



ness is dominant over beards, or that beards are recessive to 

 smoothness. Generally speaking, one member of a pair of antago- 

 nistic characters is more or less completely dominant over the other. 

 For instance, if we cross a polled breed of cattle with a horned 

 breed none of the progeny will have perfect horns. About 5 per 

 cent of them will have what cattlemen call "scurs," that is, imper- 



Figure 1. — Bearded wheat crossed with beardless. 



feet horns. The other 95 per cent will be as perfectly polled as 

 their polled parent. Thus, the poll character is said to be dominant 

 and horns recessive, though the dominance is not absolute in all 

 cases. 



