Distinguish between: Down's syndrome and Klinefelter's syndrome.
(N/A)
| Down's Syndrome | Klinefelter's Syndrome |
|---|---|
| $1$. It is an autosomal chromosomal disorder. | $1$. It is a sex chromosomal disorder. |
| $2$. It is caused by the presence of an additional copy of chromosome number $21$. | $2$. It is caused by the presence of an additional copy of $X$-chromosome. |
| $3$. The karyotype is $47, XX, +21$ or $47, XY, +21$. | $3$. The karyotype is $47, XXY$. |
| $4$. It can occur in both males and females. | $4$. It occurs only in males. |
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Similar Questions
Match List-$I$ with List-$II$ : Choose the correct answer from the options given below :
List-$I$ List-$II$ $A.$ Down's syndrome $I.$ $11^{th}$ chromosome $B.$ $\alpha$-Thalassemia $II.$ $X$ chromosome $C.$ $\beta$-Thalassemia $III.$ $21^{st}$ chromosome $D.$ Klinefelter's syndrome $IV.$ $16^{th}$ chromosome
| List-$I$ | List-$II$ |
| $A.$ Down's syndrome | $I.$ $11^{th}$ chromosome |
| $B.$ $\alpha$-Thalassemia | $II.$ $X$ chromosome |
| $C.$ $\beta$-Thalassemia | $III.$ $21^{st}$ chromosome |
| $D.$ Klinefelter's syndrome | $IV.$ $16^{th}$ chromosome |
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