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(B) $1$. $Turner's$ syndrome is a chromosomal disorder caused by the absence of one $X$ chromosome $(45, XO)$. Affected individuals are females who ar

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Down's syndrome,Turner's syndrome

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(B) $1$. $Turner's$ syndrome is a chromosomal disorder caused by the absence of one $X$ chromosome $(45, XO)$. Affected individuals are females who are sterile and typically short-statured.$2$. $Down's$ syndrome is caused by the presence of an additional copy of chromosome number $21$ ($trisomy$ of $21$). Affected individuals are characterized by short stature,small round head,furrowed tongue,and partially open mouth.$3$. $Klinefelter's$ syndrome is caused by the presence of an additional $X$ chromosome $(47, XXY)$. Affected individuals are males who are tall,not short-statured.$4$. $Phenylketonuria$ is an inborn error of metabolism,not primarily characterized by short stature.Therefore,both $Turner's$ syndrome and $Down's$ syndrome are characterized by short stature.

The affected individuals are short-statured in disorders like:

Similar Questions

Which of the following are characteristics of the disorder described by Langdon Down?

Define aneuploidy. How is it different from polyploidy? Describe the individuals having the following chromosomal abnormalities:
$(a)$ Trisomy of $21^{st}$ chromosome
$(b)$ $XXY$
$(c)$ $XO$

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