Match the sexual phenotype of fruit flies that have the listed chromosomes.

Question: Match the sexual phenotype of fruit flies that have the listed chromosomes.

A possible text is:

Fruit flies have two pairs of chromosomes: one pair of autosomes and one pair of sex chromosomes. The sex chromosomes are either X or Y, and the sexual phenotype of the fruit flies depends on the ratio of X chromosomes to autosomes. If the ratio is 1, the fruit fly is female. If the ratio is 0.5, the fruit fly is male. If the ratio is 0 or 2, the fruit fly is sterile and does not develop gonads. Therefore, to match the sexual phenotype of fruit flies that have the listed chromosomes, we need to calculate the X/A ratio for each case and compare it with the expected values.

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