
Allele | Definition, Examples, & Facts | Britannica
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 …
Allele - Wikipedia
An allele [1] is a variant of the sequence of nucleotides at a particular location, or locus, on a DNA molecule. [2]Alleles can differ at a single position through single nucleotide polymorphisms …
Allele - National Human Genome Research Institute
4 days ago · An allele is one of two or more versions of DNA sequence (a single base or a segment of bases) at a given genomic location. An individual inherits two alleles, one from …
Allele - Definition and Examples - Biology Dictionary
May 1, 2019 · An allele is specific variation of a gene. Bacteria, because they have a single ring of DNA, have one allele per gene per organism. In sexually reproducing organisms, each parent …
ALLELE Definition & Meaning - Merriam-Webster
The meaning of ALLELE is any of the alternative forms of a gene that may occur at a given locus.
Allele Definition and Examples - Science Notes and Projects
Nov 29, 2023 · Examples of Alleles. Blood Type: The ABO blood group system demonstrates codominance (A and B alleles) and recessiveness (O allele).; Eye Color: Various alleles …
Allele: Function, How It Works, Significance - Verywell Health
Jan 26, 2023 · Alleles are copies of genes that influence hereditary characteristics. Each person inherits at least two alleles for a particular gene—one allele from each parent.
Allele Definition: Discover the meaning of allele, its forms and FAQs
Alleles may appear in pairs or in multiple forms of alleles, which affect a specific trait of the offspring. Locus is the location where a gene is found on a chromosome.
Allele - Definition and Examples - Biology Online Dictionary
May 21, 2024 · Allele Definition. What are alleles? An allele is a term coined to describe a specific copy of a gene.Genes, the DNA sequences controlling our traits, are usually found in two …
Alleles: Definition, Types, Features, Applications - Microbe Notes
Aug 3, 2023 · Multiple Alleles. Multiple alleles are more than two alternate forms of a gene that exist within a population. This means that there are more than two possible versions of a …