Most of the roughly 40 trillion cells of your body have nearly identical copies of your genome – the DNA inherited from your parents, containing instructions for everything from converting food to ...

CFTR is a protein essential to wet surfaces throughout your body, like the airways of your lungs. People with cystic fibrosis have a gene mutation that causes problems with the protein. Some ...

Occasionally, single-letter misspellings in the genetic code, known as point mutations, occur. Point mutations that alter the resulting protein sequences are called nonsynonymous mutations, while ...