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.
Allele. Definition. noun, plural: alleles. (genetics). One member of a pair (or any of the series) of genes occupying a specific spot on a chromosome (called locus) that controls the same trait. Supplement.For example, a pair of alleles controlling the same trait, i.e. eye color: one allele codes for blue eyes, another allele for brown eyes.In humans, simple traits such as eye color may be caused by the interaction of only one pair of alleles.or example, a pair of alleles controlling the same trait, i.e. eye color: one allele codes for blue eyes, another allele for brown eyes. In humans, simple traits such as eye color may be caused by the interaction of only one pair of alleles.