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Multiple alleles exist in a population when there are many variations of a gene present. In organisms with two copies of every gene, also known as diploid organisms, each organism has the ability to express two alleles at the same time.
What are multiple alleles? In biology, multiple alleles are three or more alleles for a particular gene. Multiple allelism (biology definition): The condition of the presence of multiple alleles. An example of multiple alleles is the ABO blood group system in humans.
Multiple alleles are a type of genetic variation that can produce a wide variety of phenotypic traits, to sum up. Multiple alleles are characterized by pleiotropy, incomplete penetrance, and variable expressivity, among other characteristics.
Definition: Multiple alleles refer to the presence of more than two alternative forms of a gene at a specific locus on the same DNA strand. Each individual inherits two alleles for a gene, but the gene itself may have several variants within a population.
Multiple Alleles (ABO Blood Types) and Punnett Squares. An example of multiple alleles is the ABO blood-type system in humans. In this case, there are three alleles circulating in the population.
In short many alleles of a single gene are called multiple alleles. The concept of multiple alleles is described under the term “multiple allelism”. Dawson and Whitehouse in England proposed the term panallele for all the gene mutations at a given locus in a chromosome.
Allele, any one of two or more genes that may occur alternatively at a given site (locus) on a chromosome. Alleles may occur in pairs, or there may be multiple alleles affecting the expression (phenotype) of a particular trait. Learn more about alleles in this article.