Why was what scientists discovered while studying DNA in 1977 scientifically important?(1 point)

Question

Responses

It challenged previous thinking about mRNA.
It challenged previous thinking about mRNA.

It confirmed that mRNA in viruses were an outlier.
It confirmed that mRNA in viruses were an outlier.

It showed that DNA is found within genes.
It showed that DNA is found within genes.

It proved the existence of DNA.

Answer 1

The scientifically important discovery in 1977 was primarily related to the sequencing of DNA, which ultimately helped challenge and refine previous understandings of mRNA and its role in genetic coding. Therefore, the most appropriate response is:

It challenged previous thinking about mRNA.