MCQ
Mutations which alter nucleotide sequence within a gene are called
- Aframe shift mutations
- Bbase pair substitutions
- ✓both $(a)$ and $(b)$
- Dnone of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$R$- Conifers have needle like leaves.
$I$. In the absence of adenosine deaminase enzyme, purine metabolism is disturbed and $T-$lymphocytes fails to function $II$. $ADA$ deficiency is caused by the deletion of the gene for $ADA$
$III$. In some cases, it can be cured by bone marrow transplantation and enzyme replacement therapy. But in both approaches, the patients are not completely cured
$IV$. For permanent cure, genes isolated from the bone marrow cells producing $ADA$ at early embryonic stages can be a possible cure
Which of the above statements are correct?
$R$ : Deoxyribonuclease will digest $DNA$ while $RNA$ will be intact.