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Erin Rivera on Instagram: "DNA Barcoding 🧬 (Español en comentarios 💬) If you’ve never heard of it before, it might sound like something straight out of a sci-fi movie, and for good reasons. But once you look closer, it’s not so crazy after all. Let me explain: Here’s something we all know: every species on Earth carries a unique genetic code (its DNA). So far, so good. But here’s where it gets tricky: until recently, identifying species depended mostly on visible traits like shape, color, or s