An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus (position) on a chromosome. See Amorphic allele, Pseudoallele allele, Reeler allele, Wimp allele. As above but, yes, the reverse, in that it is the less frequent allele. 2. 1. Recessive Allele. Each allele can be dominant or recessive. Let’s use the example of eye colour. Alleles are inherited from parents, two per gene, one from each parent. function. An allele is an alternate version of a specific gene. proteins. minor allele. proteins determine. It Is Highly Specific Let’s say there is a … So, what a low variant allele frequency means that the proportion of mutant alleles in that sample of your blood is low.So, low would be maybe 10 percent or 5 percent or something like that and what is the significance of that? Dominant alleles express a trait, even if there is only one copy. Pairing: An allele is a specific form of a gene. Also, yes, the MAF is the frequency of the minor allele and, from the MAF, one can infer the frequency of the major allele if it is a bi-allelic site (some sites understandably are tri- or quad-allelic). Recessive alleles can only express themselves if there are two copies—one from each parent. Therefore, an allele is one of a pair of alleles. Typically, we call them either normal or wild-type alleles, or … An Allele Is An Alternative Form. "Allele" is the word that we use to describe the alternative form or versions of a gene. An allele is a different form of a gene that is located in a specific place on a chromosome that controls a specific trait and is responsible for genetic variation. If that sounds confusing, that’s okay, it should become clear once we see a simplified example. Alleles are responsible for the variations in which a given trait can be expressed. To put it another way, it is 1 member of a pair. An allele is one of a pair of genes that appear at a particular location on a particular chromosome and control the same characteristic, such as blood type or color … An allele that is masked when a dominant allele is present. One of the first things you will want to note with allele is that it is an alternative form of a gene. Genes code for. Allele: Definition: A gene is a portion of DNA that determines a certain trait. The brown eye allele is dominant over the blue eye allele. People inherit one allele for each autosomal gene from each parent, and we tend to lump the alleles into categories. An allele can be dominant or recessive. the chromosome has two different copies of the gene that controls the trait. This is going to be the foundation for everything else we are going to cover about allele. Function: Genes are responsible for the expression of traits. Somatic Cell. 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