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(C) In Drosophila,sex determination is based on the ratio of the number of $X$ chromosomes to the number of sets of autosomes ($X/A$ ratio).$1$. If th

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$3A + XXY$

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(C) In Drosophila,sex determination is based on the ratio of the number of $X$ chromosomes to the number of sets of autosomes ($X/A$ ratio).$1$. If the $X/A$ ratio is $1.0$,the individual is a female.$2$. If the $X/A$ ratio is $0.5$,the individual is a male.$3$. If the $X/A$ ratio is between $0.5$ and $1.0$ (e.g.,$0.67$),the individual is an intersex.For option $C$ $(3A + XXY)$: The number of $X$ chromosomes is $2$ and the number of sets of autosomes is $3$. The ratio is $2/3 \approx 0.67$. Since this value lies between $0.5$ and $1.0$,it represents an intersex individual.

Which of the following genotypes represents an intersex individual in Drosophila?

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