26+ Allele Definition Biology Simple Background. An allele is specific variation of a gene. The word allele is a general term to denote the alternative forms of a gene or contrasting gene pair that denote the alternative these alleles were previously considered by bateson as hypothetical partner in mendelian segregation.
By the end of this tutorial you should have a basic. Instances in which a particular gene may exist in three or more allelic forms. Bacteria, because they have a single ring of dna, have one allele per gene per organism.
Looking for online definition of allele in the medical dictionary?
You only need one copy of it to have brown eyes. Alleles are variant forms of the same genes, which are found in the same location (locus) on different chromosomes, the structures that contain our genetic material. Mendel implied that only two alleles, one dominant and one recessive, could exist for a given gene. Nature of biology (ib bio guide).
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