Since the eight reactions were run on fragments of random length, the eight plus and minus reactions collectively produced DNA fragments of all possible lengths.4 The fragments in these eight reactions were separated by size (using gel electrophoresis) and then imaged with autoradiography. Gels were dried and then placed against X-ray film, allowing the radioactive DNA fragments to expose the film and appear as dark bands, which a scientist could then painstakingly translate into the DNA sequence. In 1977, Sanger and colleagues sequenced the first full DNA genome using this method: a small bacterial virus with 5,386 nucleotides in its genome, called ɸX174 or “PhiX.”
AI can theoretically cover most tasks in business and finance, management, computer science, math, legal, and office administration roles. However, in most sectors, actual adoption—which the researchers measured using work-related usage data from Anthropic’s AI model Claude—is just a fraction of what’s theoretically capable.
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