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.
At the same time, Iowa had a population of 3,046,355 people, meaning that Sloan had 0.03% of the total population of Iowa - making it the state's 290th most populous community.