Total Size of the SfiI Fragments and Gaps
| Strain | Chr. 7 | SfiI elements & MRS (M) | SfiI total | Gap total | Sum total |
| 1006 | a | 7C-7A-M-7F-M-7G | 1000 or 1010 | 26 | 1026 or 1036 |
| b | 7C-7A-M-7F-M-7G | 1000 or 1010 | 4 | 1004 or 1014 | |
| WO-1 | a | 7C-7A-M-7F-M-4N-4BB | 1463 | 67 | 1530 |
| b | 4H-M-4F-M-7G | 1170 | 25 | 1195 | |
| c | 7D-M-7F-M-7G | 1000 | 3 | 1003 | |
| NUM55 | a | 7C-7A-M-7F-M-7G | 1050 | 14 or 16 | 1064 or 1066 |
| b | 7C-7A-M-7F-M-7G | 1010 | 14 or 16 | 1024 or 1026 | |
| NUM114 | a | 7C-7A-M-7F-M-7G | 1010 or 1030 | 101 | 1111 or 1131 |
| b | 7C-7A-M-7F-M-7G | 1010 or 1030 | 3 | 1013 or 1033 | |
| NUM1000 | a | 4BB-4N(4I+4E)-M-7F-M-7G | 1593 | 1 | 1594 |
| b | 7C-7A-M-4F-M-4H | 1050 | 5 or 7 | 1055 or 1057 | |
| c | d7A-M-7F-M-7G | 770 | 3 | 773 | |
| 1719 | a | 7C-7A-M-7F-M-7G | 1000 | 74 | 1074 |
| b | 7C-7A-M-7F-M-7G | 1000 | 3 | 1003 |
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The chromosomes were composed of the SfiI elements and MRSs. The size of each SfiI fragment is shown in Tables 1and 4. The total size of the SfiI fragments is shown asSfiI total. The sizes of the gaps shown in Table 2, 3 and 5and Figures 5 and 6 were totalled in each homologous chromosome and are shown as gap total. The gap size is approximately, but not exactly, the size of the RPS. To reconcile the total sizes of the SfiI fragments and gaps to the chromosome size, the appropriate gap sizes were chosen.











