Condition of sex chromosomes in male child with Patau's syndrome is
A
XX
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B
XY
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C
XO
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D
XXY
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Solution
The correct option is C XY Patau's Syndrome is caused by the presence of three copies of chromosome 13. It is trisomy 13. The syndrome does not affect the sex chromosome composition of the individual. As we know that normal males have XY sex chromosome, so males with Patau's syndrome will also have the same sex chromosomes, i.e., XY.