Beta, think of DNA sequencing like reading a long recipe book. Sanger is like carefully copying one page at a time—accurate but slow. Newer methods like nanopore thread the DNA through a tiny hole, reading it as it goes, giving us much longer "read lengths." Coverage just means how many times we've read each part to be sure we got it right.
In our startup lab, I see this daily. We use nanopore for its long reads to solve tricky genomic repeats, but we always check the coverage stats my code spits out—without good coverage, it's like building muscle without counting reps, all show no substance.
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