
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 Definition and Examples - Science Notes and Projects
Nov 29, 2023 · While an allele refers to a variant form of a gene, a gene is a broader term that refers to a unit of heredity in general. A gene is a sequence of DNA that contains 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, …
What Is an Allele and How Does It Determine Traits?
Jul 31, 2025 · An allele is a specific version of a gene, representing one of two or more forms that can exist at a particular location on a chromosome. These genetic variations are fundamental …
Allele - National Human Genome Research Institute
2 days ago · "Allele" is the word that we use to describe the alternative form or versions of a gene. People inherit one allele for each autosomal gene from each parent, and we tend to lump the …
Alleles: Definition, Types, Features, Applications - Microbe Notes
Aug 3, 2023 · Alleles, known as neutral alleles, have no influence on an organism’s phenotype or its observable characteristics. According to Mendelian genetics, dominant alleles can exist in …
Alleles – Definition, Characteristics, Types, Examples
Sep 9, 2024 · Each gene can exist in multiple forms, and these different forms are called alleles. They occupy specific locations, known as loci, on chromosomes. Every individual typically …
Allele - Definition and Examples - Biology Online Dictionary
May 21, 2024 · 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 copies in eukaryotic genomes; each …
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.
What is an Allele? - GeeksforGeeks
Jul 23, 2025 · Allele: An allele is an alternative form of a gene situated in a specific locus of a specific gene. Allele is one of the members of a pair of genes that expresses the alternative …