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.
A dog's eye color is determined by the amount of melanin found in the iris. Brown eyes indicate a high concentration of melanin, while green or blue eyes indicate a lower amount. Dogs with two different colored eyes have differing melanin levels in each eye. Heterochromia, however, can also be centralized. That is, the iris of one eye can be two different colors.