Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance1 Mark
MCQ
The first genetic material could be:
✓
$\text{RNA}$
B
$\text{DNA}$
C
Carbohydrates
D
Protein
✓
Answer
Correct option: A.
$\text{RNA}$
The first genetic material was $\text{RNA}$ and there is evidence that essential life processes evolved around and from $\text{RNA}$ such as metabolism, translation, splicing etc. $\text{RNA} $ also used to act as a catalyst and a genetic material in living system in important biochemical reactions. It is also said that $\text{DNA}$ evolved from $\text{RNA}$ and became stable.
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