The Read/Write Metaphor Is a Flawed Way to Talk About DNA
In 2014, chemist Floyd Romesberg, of the Scripps Research Institute, synthesized a new pair of artificial nucleotides and got a cell to accept them as part of its genetic code. In metaphorical terms, he extended the alphabet of life. To review, the DNA molecule is built from four nucleotides, or “letters”: adenine (A), thymine (T), […]