6
Question
In Drosophila, XXY is female. In humans it represents an abnormal male because.
In Drosophila, XXY is female. In humans it represents an abnormal male because.
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Solution
The correct option is A Y-chromosome induced male traits in humans
In human beings, the presence of a Y-chromosome is required for the development of a male sex phenotype. X-chromosomes present in any number (XXX, XXXX) in the absence of a Y-chromosome gives rise to female. Presence of even a single Y-chromosome confers maleness. In Drosophila, Y-chromosome plays no significant role in sex determination. In Drosophila male determines were located on autosomes. One X and two autosomes produce male while two X (X, X) and two autosomes produce female.
So, the correct answer us 'Y-chromosome induced male traits in humans'.
In human beings, the presence of a Y-chromosome is required for the development of a male sex phenotype. X-chromosomes present in any number (XXX, XXXX) in the absence of a Y-chromosome gives rise to female. Presence of even a single Y-chromosome confers maleness. In Drosophila, Y-chromosome plays no significant role in sex determination. In Drosophila male determines were located on autosomes. One X and two autosomes produce male while two X (X, X) and two autosomes produce female.
So, the correct answer us 'Y-chromosome induced male traits in humans'.
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