Extra fingers and double hearts: Scientists decode how tiny mutations can derail development

Our genomes provide the instructions for proper growth and development. Millions of genomic switches, known as enhancers, control the location and timing of gene expression, which in turn ensures the correct proteins are made in the right cells at the right time throughout our lives.

Opinion | Got Raw Milk?

Claire Panosian Dunavan is a professor of medicine and infectious diseases at the David Geffen School of Medicine at UCLA and a past-president of the

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