Allele | Definition, Examples, & Facts | Britannica
Dec 22, 2025 · 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 …
Allele - Wikipedia
A population or species of organisms typically includes multiple alleles at each locus among various individuals. Allelic variation at a locus is measurable as the number of alleles …
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 …
Allele Definition and Examples - Science Notes and Projects
Nov 29, 2023 · Get the allele definition and examples in genetics. Learn about the difference between alleles and genes and their location on chromosomes.
What Is an Allele and How Does It Determine Traits?
Jul 31, 2025 · Alleles are different versions of a particular gene. For instance, a gene might dictate eye color, while different alleles of that gene would specify blue, brown, or green eyes.
Minute to Understanding: What is an allele?
Well, alleles are matching genes; one from our biological mother, one from our biological father. We have two copies of every gene (strings of code that drive some biological function on our …
Alleles: Definition, Types, Features, Applications
Aug 3, 2023 · A key component of genetics, alleles are crucial for comprehending genetic variation and inheritance patterns. They are distinct gene variants that reside at the same …