He said about half the cases of schizophrenia, which usually manifests itself during late adolescence or early adulthood, were probably caused by the genes with the other half due to environmental triggers. (schizophrenia.com)
Indeed, this is true in some cases such as eye color, a characteristic that is determined by gene expression early in development. (sciencedaily.com)
When researchers want to study a specific gene, they often make slight modifications so a special protein tag that produces fluorescent light can attach to the proteins produced by their gene of interest. (sciencedaily.com)