Molecular & Cellular
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Illustrations by Joe Kloc This month marks the ten-year anniversary of the sequencing of the human genome, that noble achievement underpinning the less noble sales of 23andMe 's direct-to-consumer genetic tests . To commemorate the scientific occasion, we've created an illustrated introduction to one subfield of genetics likely to produce even more dubious novelty science projects someday: epigenetics. What is epigenetics? Human life begins as a single cell equipped with all of the genetic information—known as the genome —it will need to develop into a full-grown adult. Through a process of repeated cell division , this cell eventually multiplies into tens of trillions of cells, each containing a complete copy of the genome.