Alright, in forensics class we learned that VNTRs are those repeating DNA sequences where the number of repeats varies hugely between people. You cut the DNA with enzymes, separate by size, and probe to see the fragments—each person's unique pattern of bands shows up. So that pattern, like a barcode, is your DNA fingerprint.
But you know, after my summer internship at the FSL, I saw how often samples from our hills are degraded or mixed—the bands smear, and that perfect textbook pattern? It gets phajaba, you feel uncertain. My professor says it's gold standard, but I've seen it struggle with reality.
#wine#drinks
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