Allele-A Genetics Definition. An allele is one of two or more versions of a gene. An individual inherits two alleles for each gene, one from each parent. Credit: Darryl Leja, NHGRI.
Population of Swisher, IA Last official estimated population of Swisher city (Johnson County**, Iowa state) was 932 (year 2014) [1]. This was 0% of total US population and 0.03% of total Iowa state population.
Dallas County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 66,135. Its county seat is Adel. The county was named for George M. Dallas, Vice President of the United States of America under James K. Polk. Dallas County is included in the Des MoinesâWest Des Moines, IA Metropolitan Statistical Area.