METHODS FOR TESTING LINKAGE 67 



a more exact estimate. It is clear that this labor would be greatly facilitated by the 

 availability of tables of scores for various kinds of matings and values of/). Several 

 such tables have been published, notably by Allard 7 and by Finney. 364 Allard's 



Table 19 



Scores and information per individual for Aa/Bb x aajbb 

 (Finney 364 ) 



If the heterozygous parent is AB/ab, score aB and Ab offspring as i p , others as zero; for AbjaB 

 parent, interchange these scores. 



Table 20 



Scores and information per individual for AB/ab x Aaj bb 

 (Finney 364 ) 



If the heterozygous parent is Ab\aB interchange columns 2 and 4 and also columns 3 and 5 in 

 this table. 



