“Second, the production of RNA Messages was coordinately regulated. When the sugar source was switched to lactose, the bacteria turned on an entire module of genes-several lactose-metabolizing genes-to digest lactose. One of the genes in the module specified a "transporter… — Siddhartha Mukherjee Copy Share Image
If you talk to geneticists they are constantly finding that your genes are being switched on and off because of the environment. Genes alone do not determine an exact path in your life. — Jeffrey Eugenides Copy Share Image
