Sex expression in drosophila
Ploidy |
No. of X chromosome |
No. of Autosomal sets |
Sex index (X/A) |
Sex expression |
2n |
3 |
2 |
3/2 |
Meta female |
3n |
4 |
3 |
4/3 |
Triploid metafemale |
4n |
4 |
4 |
4/4 |
Tetraploid female |
2n |
2 |
2 |
2/2 |
Female |
3n |
3 |
3 |
3/3 |
Triploid female |
4n |
3 |
4 |
¾ |
Tetraploid intersex |
2n |
1 |
2 |
½ |
Male |
4n |
2 |
4 |
2/4 |
Tetraploid male |
3n |
1 |
3 |
1/3 |
Triploid meta male |