A U.S. state (abbreviation of United States state) is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the
exists and is an alternate of . The sequence of DNA bases (thymine, cytosine, adenine, and guanine) code for specific traits. The number of and which alleles you have (coded for my the DNA=genes) will determine traits such as eye color.
Eye colour is a physical trait that is determined by the pairing of genes from both parents, however, according to Professor Ravine from the Western Australian Institute for Medical Research (WAIMR) âCertain drugs are known to modify eye colour, which indicates that environmental factors may also play a part.â.