In the early 1950s, the scientist Rosalind Franklin created X-ray images of deoxyribonucleic acid (DNA).

Words To Understand

algorithm: a process or set of rules to be followed in calculations domesticate: to tame a wild animal or breed a wild plant, for use as food, companionship, or some other activity genome: the complete set of genetic material in an organism herbicide: a chemical that kills weeds insulin: a hormone that’s important for getting glucose (sugar) to cells, to use as energy transgenic: describes an organism that has DNA from an unrelated organism


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