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