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The short answer is that an allele is a variant form of a gene. Explained in greater detail, each gene resides at a specific locus (location on a chromosome) in two copies, one copy of the gene inherited from each parent. The copies, however, are not necessarily the same.
Genes define the traits of an organism, while alleles are the alternative versions of those genes, determining the specific expressions of the traits.
What is the difference between a gene and an allele? A gene is a stretch of DNA that contains the instructions for making a specific protein or RNA molecule. An allele, on the other hand, is a variant form of a gene that arises due to mutation and can result in different observable traits.
The main difference between a gene and an allele is that a gene is a stretch of DNA or RNA that determines a specific trait, and an allele brings variations to a single trait.
Difference Between Gene and Allele. Gene. Allele. A gene is a short sequence of DNA encoding for a certain trait. Alleles are different variants of a gene. Genes determine traits in an individual. Alleles are responsible for diverse features of a given trait. A gene can have many different alleles.
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 information to produce a specific protein or set of proteins, whereas alleles are the different forms this gene might take.
What's the difference between Allele and Gene? A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and can take two or more alternative forms; an allele is one of these forms of a gene.
Genes and alleles are essential to basic genetics, but what are the differences between them? In this guide, we compare genes and alleles and provide simple definitions and examples for both.
A gene as a stretch of DNA on a chromosome. Alleles as versions (sequence variants) of a gene.
Genes are the building blocks of your DNA, while alleles are the term for variants of a gene. Just like how the term “soda” refers to the carbonated beverage, soda can come in different flavors or brands. What alleles (versions of a gene) you have in your DNA determines the majority of your physical traits. Read on to see how this works.