Example for autosomal hyper aneuploidy is

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(A) The correct answer is $A$. Hyper-aneuploidy refers to a condition where the chromosome number is higher than the normal diploid number,specificall

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Down's syndrome

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(A) The correct answer is $A$. Hyper-aneuploidy refers to a condition where the chromosome number is higher than the normal diploid number,specifically represented as $2n + 1$ (trisomy). Down's syndrome is an example of autosomal hyper-aneuploidy,caused by the presence of an extra copy of chromosome $21$ (trisomy $21$). Klinefelter's syndrome $(47, XXY)$ and Turner's syndrome $(45, X)$ are examples of sex chromosomal aneuploidy. Haemophilia is a sex-linked recessive disorder,not an aneuploidy.

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