List I | List II | ||
A | Down’s syndrome | I | 11th chormosome |
B | α-Thalassemia | II | ‘X’ chromosome |
C | β-Thalassemia | III | 21st chromosome |
D | Klinefelter’s syndrome | IV | 16th chromosome |
- Down's syndrome is caused by an extra chromosome 21 (III).
- $\alpha$Thalassemia is associated with chromosome 16 (IV).
- $\beta$Thalassemia is linked with chromosome 11 (I).
- Klinefelter's syndrome involves the XXY sex chromosomes (II).
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 |
List I | List II | ||
---|---|---|---|
A | Mesozoic Era | I | Lower invertebrates |
B | Proterozoic Era | II | Fish & Amphibia |
C | Cenozoic Era | III | Birds & Reptiles |
D | Paleozoic Era | IV | Mammals |