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.
The city had a population of 10,571 in 2010. Sioux City is still the fourth largest city in Iowa, according to the latest population estimates, behind Des Moines, Cedar Rapids and Davenport. Ankeny, a Des Moines suburb, is among the fastest growing cities in the country.