Why do longer DNA molecules move more slowlythan shorter ones during electrophoresis?

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter9: Gene Expression And Gene Regulation
Section: Chapter Questions
Problem 3QP: If the genetic code used 4 bases at a time, how many amino acids could be encoded?
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Why do longer DNA molecules move more slowly
than shorter ones during electrophoresis?

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