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DNA Fragments Can Be Separated, and Their Sizes Can Be

Question 2

Multiple Choice

DNA fragments can be separated, and their sizes can be determined with the use of gel electrophoresis. The fragments can be viewed by using a dye that is specific for nucleic acids or by labeling the fragments with a radioactive or chemical tag.
-DNA fragments that are 500 bp, 1000 bp, and 2000 bp in length are separated by gel electrophoresis. Which fragment will migrate farthest in the gel?


A) 2000-bp fragment
B) 1000-bp fragment
C) 500-bp fragment
D) All will migrate equal distances.

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