A) male
B) female
C) super female
D) intersex
Correct Answer: C
Solution :
In Drosophila the presence of Y-chromosome has been found essential for the fertility of male sex but that has nothing to do with the determination of male sex, here the sex is determined polygenic ally. Ratio of X-chromosomes to autosomes and corresponding sex type In Drosophila melanogaster.X chromosomes (X) and sets of autosomes | Rato X/A | Sex-type |
IX 2A | 0.5 | Male |
2X 2A | 1.0 | Female |
3X 2A | 1.5 | Metafemale |
4X 3A | 1.33 | Metafemale |
4X 4A | 1.0 | Tetraploid female |
3X 3A | 1.0 | Triploid female |
3X 4A | 0.75 | Intersex |
2X 3A | 0.67 | Intersex |
2X 4A | 0.5 | Tetraploid male |
IX 3A | 0.33 | Metamale |
You need to login to perform this action.
You will be redirected in
3 sec