MCQ
Gene mutation is caused by
- AReproduction
- BLinkage
- ✓Change in the sequence of nitrogenous base
- DChange in the sequence of genes in $DNA$
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Statement $I:$
The coagulum is formed of network of threads called thrombins.
Statement $II :$
Spleen is the graveyard of erythrocytes.
In the light of the above statements, choose the most appropriate answer from the options given below: