TABLE 6.
Genetic interactions withscribble—effect of halving the dosage of otherS(DmcycEJP) genes on the viability of hypomorphicscribble allele combinations
| Total no. of progeny
|
||||
|---|---|---|---|---|
| Mutant allele |
x−/+ or CyO/+; scrib1or5/TM6B |
x−/+; scrib1/scrib5 | % of expected no. of x−/+ scrib1/scrib5 progenya | |
| 2.1 (lgl) | 27S3 | 304 | 0 | 0 |
| E2S31 | 145 | 0 | 0 | |
| lgl4 | 248 | 0 | 0 | |
| 2.2 (phyl) | 28S2 | 231 | 0 | 0 |
| 2.3 | 65S12 | 227 | 0 | 0 |
| 36Fd | 343 | 1 | 2 | |
| 2.4 | 57S6 | 235 | 0 | 0 |
| 59S3 | 210 | 8 | 25 | |
| 2.5 (dEB1) | 42S11 | 147 | 3 | 13 |
| 2.9 | E1S4 | 256 | 0 | 0 |
| 25S11 | 242 | 0 | 0 | |
| 2.11 (scab) | E(sev-cycE)e93 | 86 | 1 | 8 |
| Total no. of progeny
| ||||
| Mutant allele | x− scribJ7b3or5 /TM6B | x− scribJ7b3/scrib5 | % of expected no. of x−/+ scrib1/scrib5 progenya | |
| brm | 2 | 401 | 47 | 24 |
| mor | 1 | 323 | 13 | 8 |
| 3.1 | 19S5 | 276 | 91 | 66 |
| 24SX | 279 | 58 | 42 | |
a
The expected number of scrib1/scrib5 progeny = total TM6B progeny/4 × 0.61 was derived as follows: The control cross of scrib1/TM6B × scrib5/TM6B gave 127 scrib1/scrib5 out of 627 total progeny, i.e., 61% of the expected number. To control for this, the percentage of the expected number of x−/+ scrib1/scrib5 progeny has been adjusted by this factor. The weaker scrib allele combination, −/+ scribJ7b3/scrib5, gave expected Mendelian numbers of progeny. The expected number of scribJ7b3/scrib5 progeny = total number of TM6B progeny/2.