Employees are entitled to their final paycheck, in due time. Comstock/Comstock/Getty Images. An expired payroll check can create a financial accounting problem for any company. Companies may have to account for expired checks because employees fail to pick them up or fail to cash the check. Employers have various options for dealing with a final or stale paycheck, but once the check expires it creates additional work for the payroll department.
allele frequency. The allele frequency represents the incidence of a gene variant in a population. Alleles are variant forms of a gene that are located at the same position, or genetic locus, on a chromosome.
Population:A group of individuals of the same species, the same geographic area, at the same time, regularly interbreed Gene Pool:The collection of all gametes in a population Genotype Frequency: the frequency or proportion of genotypes in a population.llele Frequency: determines how frequent the allele expression of a particular gene arises in a population. Phenotype Frequency: A ratio stating the number of times a specific phenotype occurs in a population.