| List I (Genetic Disorders) | List II (Genetic Alteration) | ||
| A | Down syndrome | I | Gain of X-chromosome |
| B | Klinefelter's syndrome | II | Loss of X-chromosome |
| C | Turner's syndrome | III | Trisomy of chromosome 21 |
| D | Cri du chat syndrome | IV | Deletion of small terminal portion of chromosome 5 |
Choose the correct answer from the options given below:
| List-I | List-II |
| (A) Thalassemia | (I) 47, XXY |
| (B) Klinefelter’s syndrome | (II) Sex-linked recessive disorder |
| (C) Turner’s syndrome | (III) 45, XO |
| (D) Colour blindness | (IV) Autosomal recessive disease |