Table 2.
Number of single and double crossover at different location in the ARG4 region
| Insert
|
Single crossover
|
Double crossover
|
Total number of tetrads analysed
|
||||||
|---|---|---|---|---|---|---|---|---|---|
|
URA-Bst
|
Bst-Age
|
Age-TRP
|
Total
|
URA-Bst/Bst-Age
|
URA-Bst/Age-TRP
|
Bst-Age/Age-TRP
|
Total
|
||
| RS | 17 | 1 | 24 | 42 (20%) | 6 | 4 | 0 | 10 (5%) | 205 |
| MS | 15 | 5 | 20 | 40 (19%) | 12** | 14 | 2 | 28 (13%) | 215 |
| (38/39) | |||||||||
| MS | 14 | 4 | 22 | 40 (21%) | 22** | 1 | 5* | 28 (15%) | 188 |
| (39/39) | |||||||||
Values in brackets correspond to the percentage of recombinant tetrads. Some double crossovers involve more than two strands.
*
Three-strand events (one tetrad).
**
Four-strand events (three MS(38/39) tetrads and nine MS(39/39) tetrads).