The ones who survive, he says, are not the ones who have a gene for survival, but the lucky ones, who receive outside help and are given food. (edutopia.org)
By opening up the study to people outside of this one extended family, researchers hope to learn if the allergy can develop in people who don't have the gene mutation. (science.howstuffworks.com)
But some people have gene variants that lead to low enzyme levels. (scientificamerican.com)