A pregnant woman who has undergone an amnioce | vedclass

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(D) The presence of a $Barr$ body is determined by the formula $N - 1$,where $N$ is the number of $X$ chromosomes. $A$ normal male $(XY)$ has $0$ $Bar

Vedclass · Accepted Answer

Klinefelter syndrome

Vedclass · Answer

(D) The presence of a $Barr$ body is determined by the formula $N - 1$,where $N$ is the number of $X$ chromosomes. $A$ normal male $(XY)$ has $0$ $Barr$ bodies,and a normal female $(XX)$ has $1$ $Barr$ body.An extra $Barr$ body in an embryo indicates the presence of an additional $X$ chromosome. $Klinefelter$ syndrome is characterized by the genotype $XXY$. In this case,the number of $Barr$ bodies is $2 - 1 = 1$. However,if the question implies an 'extra' $Barr$ body compared to a normal male embryo (which has $0$),or if it refers to a condition like $XXX$ (Triple $X$ syndrome) or $XXY$ ($Klinefelter$ syndrome),$Klinefelter$ syndrome is the most standard clinical association for an extra $X$ chromosome in a male-developing embryo.

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

$A$ pregnant woman who has undergone an amniocentesis test finds an extra $Barr$ body in her embryo. Which syndrome is likely to be associated with the embryo?

Similar Questions

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

When the chromosome number of a given organism has one additional chromosome in one of the homologous pairs,the addition is known as

In a diploid organism,the formation of a multivalent during meiosis is due to:

Turner’s syndrome is an example of:

Briefly explain Down's syndrome.

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