Genetic experiments show that a group of genes may be switched off by the product of a regulator gene, called a repressor. An isolated repressor is shown here to bind specifically and with high ...

During development, many crucial genes help organisms form properly. One of those genes is myogenic determination gene number 1 (MyoD), which can exert a powerful influence as a “genome organizer." It ...

Nietzsche had no idea how right he was, but then he knew nothing of the genome’s internal struggles. One of these struggles, it turns out, has had no less a consequence than distinguishing the human ...