Dihybrid F2 segregations for genes in linkage groups VI & VII.

Butler L.

The ratios are designated as follows R = repulsion, C = coupling. The linkage value given is from the product moment method with no allowance for disturbed segregations.

Gene pair        a      b     c     d     Total    Linkage

   L Bu    R    525    204   215     13    957       25
   L Al    R    738    265   233     62   1298       46
           C    210     50    30     32    322       30
   L U     R    579    164   174     44    961       48
           C    502    160   161     46    869       50
   L H     R    686    246   235    103   1270       50
           C   1855    628   604    195   3282       50                 
   L T     R    512    167   156     36   3282       50
   L Dm    R    569    204   183     47   1003       45
           C     79     42    29      8    210       50     
   L Nc    R    547    191   226     75   1039       49
   L E     R    546    187   174     60    967       50
           C    303     98    95     36    532       48
   L Mc    R    796    264   215     73   1348       50
           C    138     53    28     10    229       50
   Bu Al   R    406    155   124     43    728       48
   Bu Dl   R    309    150   141      1    591        8
   Bu H    R    463    151    67     97    778       50
   Bu Nc   R    125     38    45     11    219       47
   Bu E    R     79     24    22     11    136       50               
   Al Dl   R    263    101   103     19    486       39
   Al Dm   R    120     41    50     20    231       50
           C    842    319   286    127   1574       48
   Al Nc   R    128     37    54     20    239       50
   Al E    R    447    150   128     50    775       50
   Al Mc   R    246     90   107     40    483       50
   Dl E    R    182     82    65     25    354       50
   Di Mc   R     50      9    11      2     72       50
    U E    R     68     29    28      6    131       40
           C   1120    196   157    264   1737       23
    U T    C   1892    410   435    301   3038       34
    U Xa   R     19     13    10      0     42       --
    U Pe   R     69     29    22      3    123       34
    U Al   R    115     43    38     16    212       50
    U Dm   R     94     32    38     14    178       50
           C     37     14     7      4     62       44
    U E    R    119     39    37     12    207       49
    U Mc   R    449    173   136     40    798       43
    H T    R    341     44    69     53    507       26
           C    678     92   108    165   1043       21
    H Xa   R    634    478   255    115   1482       42
    H Pe   C    482    102   132     80    796       36
    H Al   R   1705    585   699    232   3221       49
           C    165     83    78     26    352       50
    H Dm   R    846    346   392    135   1719       48
           C    840    275   312    109   1536       49
    H Nc   C    110     58    58     13    239       50
    H E    R    121     40    51     16    228       49
    H Mc   C    382    160   160     75    777       48
    T Xa   R    267    189   220     27    703       27
    T Pe   R    307     92    73     23    495       50
    T Al   R    129     36    33     19    217       50
    T Dm   R     75     27    22     11    135       50
    T E    R     82     30    31      6    149       41
    T Mc   R    443    169   142     44    798       47
   Xa Pe   C    246    168   174     53    549       50
   Xa Al   C    674    175   323    161   1333       41
   Xa E    R    622    239   311    138   1320       50
           C    499    151   237     90    977       46