SEX-LINKED FACTORS IN DROSOPHILA 55 



TABLE 8 (continued) 



OP. I'l: black red 9 X black oosin-vormilion d^ 

 Fi : black red 9 X black red cf 

 Fs: (all black), 9 9 , r. 885 



cf cT, r. 321, V. 125, e. 122, c.-v. 268 



Proportion of cross-overs, r— ; 



OR. Pi: long red 9 X miniature eosin c?' 



Fi : long red 9 X long red cT 

 F2: 9 9, l.r. 408 



d'd', l.r. 145, I.e. 67, m.r. 70, m.e. 100 



Pi : long eosin 9 X miniature red cf 



Fi : long red 9 X long eosin d' 

 F2: 9 9, l.r. 100, I.e. 95 



cTcf , l.r. 27, I.e. 54, m.r. 56, m.e. 19 



183 



Proportion of cross-overs, rr- 



060 



OM. Pi : long eosin 9 X rudimentary red d' 

 Fi : long red 9 X long eosin d 

 F2: 9 9. l.r. 368, I.e. 266 



■dd, l.r. 194, I.e. 146, ru.r. 40, ru.e. 24 



218 



Proportion of cross-overs, tt- 



' 404 



CR. Pi : long white 9 X miniature eosin cf 

 Fi: long eosin 9 X long white d 



Fo: 9 9, I.e. 185, l.w. 205 



cfcf, I.e. 54, l.w. 147, m.e. 149, m.w. 42 

 Pi : long eosin 9 X miniature white d 

 Fi : long eosin 9 X long eosin c^ 



F2: 9 9, I.e. 527 



dd, I.e. 169, l.w. 85, m.e. 55, m,w. 128 



236 



Proportion of cross-overs, — : 



CM. Pi: long white 9 X rudimentary eosin cf 

 Fi : long eosin 9 X long white cf 

 F2: 9 9, I.e. 328, l.w. 371 



cTcT. I.e. 112, l.w. 217, ru.e. 4. ru.w. 



112 

 Proportion of cross-overs. — ; 



