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.
The colored part of the eye is called the iris, which has pigmentation that determines our eye color. Her eyes may be blue only temporarily; babies' eyes can change color if the brown pigment melanin develops as they grow. Human eye color originates with three genes, two of which are well understood. These genes account for the most common colors â green, brown, and blue.