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.
Experts say the rural-versus-urban shift has been ongoing for decades in Iowa and the Midwest as residents move to areas with more employment and a higher concentration of services. Dallas County, which contains Des Moines' western suburbs, is the fastest-growing county in the state, with 13,996 new residents since 2010. Johnson County, which includes Iowa City and Coralville, showed the second-fastest growth, followed by Polk County. Dallas County's population rose 21.2 percent in five years.