A sex aneuploid Drosophila has 2 sets of autosomes and sex chromosome complement XXY. This fly would be:
1. | A normal fertile female | 2. | A normal fertile male |
3. | An intersex | 4. | A metamale |
All the following are mechanisms of sex determination in living organisms except:
1. The Z-W system
2. The X-O system
3. The haplo-diploid system
4. The parthenogenetic system
In a certain taxon of insects, some have 17 chromosomes and others have 18 chromosomes. The 17 and 18 chromosome-bearing organisms are:
1. males and females, respectively
2. females and males, respectively
3. all males
4. all females