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

Responses

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

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

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

It proved the existence of DNA.

1 answer

The correct response is: It challenged previous thinking about mRNA.

In 1977, scientists like Walter Gilbert and Frederick Sanger made significant advancements in DNA sequencing techniques, which allowed them to better understand mRNA and its relationship with DNA. This work led to insights that challenged previous concepts regarding the role and structure of mRNA in the genetic flow of information.