Match List I with List II : \begin{array}{|l|l|l|l|}\hline & List I & & List II \\hline A. & Down's syndrome & I. & 11^{ ext {th }} chromosome \\hline B. & \alpha-Thalassemia & II. & 'X' chromosome \\hline C. & \beta-Thalassemia & III. & 21^{ ext {st }} chromosome \\hline D. & Klinefelter's syndrome & IV. & 16^{ ext {th }} chromosome \\hline\end{array} Choose the correct answer from the options given below :

Question

Match List I with List II : \begin{array}{|l|l|l|l|}\hline & List I & & List II \\hline A. & Down's syndrome & I. & 11^{	ext {th }} chromosome \\hline B. & \alpha-Thalassemia & II. & 'X' chromosome \\hline C. & \beta-Thalassemia & III. & 21^{	ext {st }} chromosome \\hline D. & Klinefelter's syndrome & IV. & 16^{	ext {th }} chromosome \\hline\end{array} Choose the correct answer from the options given below :, A-II, B-III, C-IV, D-I, A-III, B-IV, C-I, D-II, A-IV, B-I, C-II, D-III, A-I, B-II, C-III, D-IV

MARKS App · Accepted Answer

Down's syndrome is due to presence of an additional copy of chromosome number 21. Klinefelter's syndrome is caused due to presence of an additional copy of X-chromosome. α -Thalassemia is controlled by two closely linked genes on chromosome 16 of each parent. β -Thalassemia is controlled by a single gene HBB on chromosome 11 of each parent.

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