Roy Britten dies at 92; Caltech biologist was DNA, gene pioneer

Roy Britten discovered the crucial nature of long strands of DNA within mammalian genomes. With another Caltech colleague, he played a key role in what became known as evolutionary developmental biology.Roy J. Britten, a Caltech biologist who discovered that the mammalian genome includes large quantities of repetitive DNA sequences that do not serve as blueprints for genes, has died. He was 92.

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