Euploidy is best explained by

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(A) Euploidy is a condition in which an organism has one or more complete sets of chromosomes. It is defined as the presence of chromosome numbers tha

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Exact multiples of a haploid set of chromosomes

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(A) Euploidy is a condition in which an organism has one or more complete sets of chromosomes. It is defined as the presence of chromosome numbers that are exact multiples of the basic haploid set ($n$ or $x$). For example,organisms can be monoploid $(x)$,diploid $(2x)$,triploid $(3x)$,tetraploid $(4x)$,etc. In contrast,aneuploidy involves the gain or loss of individual chromosomes rather than entire sets.

Column-$I$ (Disorder)	Column-$II$ (Ploidy)
$P$. Down's syndrome	$I$. Sex chromosomal trisomy
$Q$. Klinefelter's syndrome	$II$. Sex chromosomal monosomy
$R$. Turner's syndrome	$III$. Autosomal trisomy

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The number of chromosomes in Klinefelter's syndrome is

Match the following columns:

Column-$I$ (Disorder) Column-$II$ (Ploidy)

$P$. Down's syndrome $I$. Sex chromosomal trisomy

$Q$. Klinefelter's syndrome $II$. Sex chromosomal monosomy

$R$. Turner's syndrome $III$. Autosomal trisomy

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