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by venablem2
Meet Mina and Jan - Long Lost Sisters?
Hi - I'm Mina and I'm looking for my family
Hi I'm Jan. I may be related to Mina
They are visiting a Geneticist, a doctor who specialized in genetics
We are getting DNA tests to see if we are related
The test will use gel electrophoresis to make a DNA fingerprint
They learn how a DNA fingerprint can help them
A DNA fingerprint shows if two individuals have similar STR or short tandem repeats in the DNA
People who are related have similar STR patterns which show up as dark bands on a DNA fingerprint
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