A SNP is a variation of a single nucleotide between individuals. These polymorphisms can therefore be used to discern small differences both within a population and among different populations.
President of the United States. The President of the United States is the head of state of the U.S., the chief executive of the federal government, and Commander-in-Chief of the armed forces. The United States was the first nation to create the office of President as the head of state in a modern republic.
George Walker (Dubya) Bush (born July 6, 1946 in New Haven, Connecticut) served as the forty-third President of the United States, serving between January 20, 2001 and January â¦ 20, 2009, including the whole of 2006.He was succeeded by Barack Obama.ames Earl (Jimmy) Carter Jr. was the President of the United States in 1980. Jimmy Carter (born October 1, 1924) served as the thirty-ninth President of the United States, s â¦ erving between January 20, 1977 and January 20, 1981, including the whole of 1980.