Sublime

He compared a chromosome to one of those old audio cassettes we used before new technologies banished them to the museum, with DNA the tape inside the cassette and genes the songs on the tape.

“Deoxyribonucleic acid,” I say. “It’s a molecular blueprint for all living things and it’s composed of nucleotides.” He squints at me, unsure of what to think. “Which are?” “Molecules.” I say. “And yeah, I know that a molecule is a bunch of atoms stuck together. DNA is a four-letter code. A. T. G. and C. Adenine, thymine, guanine, and cy…cy…”