As above but, yes, the reverse, in that it is the less frequent allele. Recessive Allele. An allele is a specific form of a gene. Pairing: 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). An allele whose trait always shows up in the organism when the allele is present. "Allele" is the word that we use to describe the alternative form or versions of a gene. This is going to be the foundation for everything else we are going to cover about allele. An Allele Is An Alternative Form. See Amorphic allele, Pseudoallele allele, Reeler allele, Wimp allele. Allele: Definition: A gene is a portion of DNA that determines a certain trait. the chromosome has two different copies of the gene that controls the trait. Typically, we call them either normal or wild-type alleles, or … Let’s use the example of eye colour. Alleles are responsible for the variations in which a given trait can be expressed. An allele can be dominant or recessive. 1. proteins. function. An allele that is masked when a dominant allele is present. An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus (position) on a chromosome. Dominant alleles express a trait, even if there is only one copy. Let’s say there is a … Each allele can be dominant or recessive. 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. The brown eye allele is dominant over the blue eye allele. If that sounds confusing, that’s okay, it should become clear once we see a simplified example. To put it another way, it is 1 member of a pair. Somatic Cell. proteins determine. 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 … Function: Genes are responsible for the expression of traits. 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. 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? 2. Recessive alleles can only express themselves if there are two copies—one from each parent. It Is Highly Specific minor allele. 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