Question: how many chromosomes does drosophila melanogaster have?
Answer: As with humans, the chromosomes of Drosophila melanogaster come in pairs -- but unlike humans, which have 23 pairs of chromosomes, the fruit fly has only four: a pair of sex chromosomes (two X chromosomes for females, one X and one Y for males), together designated Chromosome 1, along with three pairs of autosomes (non ...