In Drosophila, the sex is determined by
A. the ratio of number of X-chromosomes to the sets of autosomes
B. X and Y chromosomes
C. the ratio of pairs of X-chromosomes to the pairs of autosomes
D. whether the egg is fertilized or develops parthenogenetically
Answer:A
In Drosophila, the sex is determined by
A. the ratio of number of X-chromosomes to the sets of autosomes B. X and Y chromosomes C. the ratio of pairs of X-chromosomes to the pairs of autosomes D. whether the egg is fertilized or develops parthenogenetically