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When DNA segments are being separated by size, A- the small strands stay near the top, the big ones move to the bottom B- the big strands stay near the top, the little ones move to the bottom C- the small
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When DNA segments are being separated by size,

A- the small strands stay near the top, the big ones move to the bottom

B- the big strands stay near the top, the little ones move to the bottom

C- the small strands move to the middle, and the big ones move to the sides

D- the big strands move to the middle, and the small ones move to the sides

User Jacek Blaszczynski
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Answer

Step-by-step explanation:

DNA is negatively charged, therefore, when an electric current is applied to the gel, DNA will migrate towards the positively charged electrode. Shorter strands of DNA move more quickly through the gel than longer strands resulting in the fragments being arranged in order of size.
User Denys Vasylenko
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