Question
Biology Question on Regulation of Gene Expression
The first genetic material could be
A
protein
B
carbohydrates
C
DNA
D
RNA
Answer
RNA
Explanation
Solution
The first genetic material could be RNA.
The first genetic material was RNA. There is a shred of evidence that essential life processes evolved around and from RNA such as metabolism, translation, splicing, etc. RNA is also used to act as a catalyst and a genetic material in the living system in important biochemical reactions. It is also said that DNA evolved from RNA and became stable.
Hence, the correct answer is option D.