Question

while looking at the gel casting tray on the uv table, the tnf2 dna fragment moved further than the tnf1 dna fragment. which of the following can you conclude to be true? multiple choice the tnf2 and tnf1 dna fragments were the same size. the tnf2 dna fragment was larger than the tnf1 dna fragment. the tnf2 dna fragment was smaller than the tnf1 dna fragment.

Explanation:

Gel electrophoresis separates DNA fragments by size—smaller fragments move farther through the gel matrix than larger ones. Since TNF2 moved further than TNF1, TNF2 must be smaller.

Answer:

The TNF2 DNA fragment was smaller than the TNF1 DNA fragment.