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Due to which of the following, male XX and female XY chromosomes occasionally seen?

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An Intiative by Sri Chaitanya

segment transfer in the X and Y chromosomes

the presence of aneuploidy

hormonal discord

Elimination

answer is A.

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Detailed Solution

Concept: Sometimes the transfer of X and Y chromosomal segments results in male XX and female XY.

A twofold break in the chromosomes accompanied by the union of the surviving pieces results in a deletion, which is the loss of an intercalary region of a chromosome.

Aneuploidy refers to the presence of more or fewer chromosomes than the typical number for the species' DNA.

Hence, option 1 is correct answer

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