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DNA sequencing! It kind of looks like this (for example): | | | | The DNA is negatively charged, and when placed into a tray filled with a special gel and a positive current towards the far side, the smaller strands of DNA move farther then the bigger ones. If this is done a individuals DNA can easily be matched. Some examples of real life situations that would utilize DNA sequencing are in a rape investigations, where semen collected from the victim can be matched to a suspect. Also, DNA sequencing can be used to determine heredity. If a child was trying to be matched to a parent, then HALF the DNA strands would match, since a child posses 1/2 of their DNA from the mother and 1/2 from the father.

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