Sentence Correction (SC) | As a result of the ground-breaking work of Barbara McClintock, many

As a result of the ground-breaking work of Barbara McClintock, many scientists now believe that all of the information encoded in 50,000 to 100,000 of the different genes found in a human cell are contained inmerely three percent of the cell’sDNA.

[color=#ff0000] Start off with S-V agreement. "All of information" is the subject for the underlined portion and needs to take a singular verb. (A) - (C) is out.

2 ways to arrive to a correct answer from here.

1) If you consider the meaning of the sentence,
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