1. Linkage relations of the bronze locus. F2 data suggested that bronze (bz) belonged in chromosome 9 and was located to the left of C. Backcross data obtained this past year show that the order is C-sh-bz with bz approximately 2 cross-over units from sh.
Summary of | C Sh bz | × | c sh bz |
c sh Bz |
(0) | (0) | (1) | (1) | (2) | (2) | (1-2) | (1-2) |
C | c | C | c | C | c | C | c |
Sh | sh | sh | Sh | Sh | sh | sh | Sh |
bz | Bz | Bz | bz | Bz | bz | bz | Bz |
1396 | 1354 | 76 | 65 | 15 | 31 | 0 | 0 |
C-Sh | 4.8% recombination |
Sh-Bz | 1.6% " |
C-Bz | 6.4% " |
Summary of | Sh Bz | × | sh bz |
sh bz |
Sh | Sh | sh | sh | |
Bz | bz | Bz | bz | Total 6040 |
2952 | 54 | 62 | 2972 |
Sh-Bz 1.92% recombination