MCQ
..............is common for both $DNA$ and $RNA$ but.............is present only in $DNA$
- AUracil, thymine'
- BCytosine, thymine'
- ✓Guanine, thymine
- Dcytosine, uracil
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| Suresh | Rajesh | |
| A | Thalassemia - Autosomal Dominant blood disorder | Sickle Cell Anaemia - Autosomal linked Recessive trait |
| B | Sickle Cell Anaemia - Autosomal linked Dominant trait | Thalassemia - Autosomal Recessive blood disorder |
| C | Sickle Cell Anaemia – Autosomal linked Recessive trait | Thalassemia – Autosomal Recessive blood disorder |
| D | Thalassemia - Autosomal Dominant blood disorder | Sickle Cell Anaemia - Autosomal linkedDominant trait |
| Column – I | Column $- II$ |
| $(1)$ Failure of cytokinesis | $(p)$ To study in beritance of particular traits |
| $(2)$ Trisomy of 21 | $(q)$ Polyploidy |
| $(3)$ Error of metabolism | $(r)$ Down's syndrome |
| $(4)$ Pedigree analysis | $(s)$ Phenylketonuria |