Principle of Inheritance and VariationHard
Question
Which disease has XXY chromosome constitution?
Options
A.Down′s syndrome
B.Turner′s syndrome
C.Klinefelter′s syndrome
D.Okazaki syndrome
Solution
Down′s syndrome is due to trisomy of 21st chromosomes; Turner′s syndrome having XO genotype is caused by the absence of Xchromosomes in females; klinefelter′s syndrome (XXY) is due to trisomy of sex chromosome.
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