Male XX and female XY sometime occur due to :
Male XX and female XY sometime occur due to :
A. deletion
B. transfer of segments in X and Y-chromosomes
C. aneuploidy
D. hormonal imbalance
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Correct Answer - D
Hormondal inbalance may lead to developmentof male characters in female or vice versa. Deletion is the removal of one of few nitrogenous bases from a nucleotide chain. Aneuploidy is a chromosomal aberration in which certain chromosomes are present in extra copies or certain are deficient in number.
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