what does the word multiple allele mean
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Multiple alleles In particular, multiple allelism is the condition wherein three or more alleles of a gene are present. Thus, the term multiple alleles pertain to the presence of three or more alleles for a particular gene.
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allele Any of the possible forms in which a gene for a specific trait can occur. In almost all animal cells, two alleles for each gene are inherited, one from each parent. Paired alleles (one on each of two paired chromosomes) that are the same are called homozygous, and those that are different are called heterozygous. In heterozygous pairings, one allele is usually dominant, and the other recessive. Complex traits such as height and longevity are usually caused by the interactions of numerous pairs of alleles, while simple traits such as eye color may be caused by just one pair.
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OpinionWhy we need more ecology for genetic models such as C. elegans Multiple alleles are the many different versions of a trait that exist within a population. A classic example of this is coat color in rabbits. Based on our current understanding, rabbit coat color is controlled by a single gene. However, there are four different alleles, or versions, for that coat color gene.
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What is a gene that has more than 2 possible alleles? Take your pick. All genes have more than 2 possible alleles. Since an allele is just a different version of a given gene, any slight variation in the DNA sequence of a particular gene constitutes an allele. When you compare the DNA sequence of a gene from a bunch of individuals, it is rare to find that they are all identical.
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- Multiple alleles, incomplete dominance, and codominance. In the real world, genes often come in many versions (alleles). Alleles aren't always fully dominant or recessive to one another, but may instead display codominance or incomplete dominance.
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Allelic exclusion From Wikipedia, the free encyclopedia. Allelic exclusion is a process by which only one allele of a gene is expressed while the other allele is silenced. For autosomal genes, diploid organisms inherit one copy from each parent.At least two distinct selection events can lead to allelic exclusion.On one hand, one allele of the gene can be transcriptionally silent, which would result in the expression of only the second allele.or autosomal genes, diploid organisms inherit one copy from each parent. At least two distinct selection events can lead to allelic exclusion. On one hand, one allele of the gene can be transcriptionally silent, which would result in the expression of only the second allele.
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Allele The word allele is a short form of allelomorph (other form, a word coined by William Bateson and Edith Rebecca Saunders), which was used in the early days of genetics to describe variant forms of a gene detected as different phenotypes.
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- adj. 1. Of or relating to two alleles of a gene that are both fully expressed in a heterozygote. 2. Being one of two or more of the most common or important species in an ecological community and influencing the presence and type of other species in the community.
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- Definition: Heterozygous refers to having two different alleles for a single trait. Related Terms: Allele, Genes, Homozygous. Examples: The gene for seed shape in pea plants exists in two forms, one form or allele for round seed shape (R) and the other for wrinkled seed shape (r).
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Allele: A Genetics Definition Definition: An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome. These DNA codings determine distinct traits that can be passed on from parents to offspring through sexual reproduction.hen the alleles of a pair are heterozygous, one may be dominant and the other recessive. The dominant allele is expressed and the recessive allele is masked. This is an example of complete dominance.
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- Multiple alleles are the existence of more than two alleles(versions of the gene) for a genetic traits. So multiple alleles are more than two alleles for one trait, andpolygenic traits are one trait that is influenced by mulitplegenes.
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- So multiple alleles are more than two alleles for one trait, and polygenic traits are one trait that is influenced by mulitple genes.This information came from my biology textbook, Biology: Principles and Explorations by Holt, Rinehart, and Winston.endelian traits are influences by a single gene. Polygenic traits are influenced by multiple genes. + 1 other found this useful. Riny Jacob. Edit. Share to: 1  Important Facts About Pleiotropy Science has been involved in studying genes for quite some time.
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RECESSIVE ALLELE Hypernyms (recessive allele is a kind of...): allele; allelomorph (either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character).
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Allele An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus (position) on a chromosome. Usually alleles are sequences that code for a gene, but sometimes the term is used to refer to a non-gene sequence. An individual's genotype for that gene is the set of alleles it happens to possess. In a diploid organism, one that has two copies of each chromosome, two alleles make up the individual's genotype. An example is the gene for blossom color in many species of flower — a single gene controls the color of the petals, but there may be several different versions (or alleles) of the gene.
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- Allele. Definition. noun, plural: alleles. (genetics). One member of a pair (or any of the series) of genes occupying a specific spot on a chromosome (called locus) that controls the same trait. Supplement.For example, a pair of alleles controlling the same trait, i.e. eye color: one allele codes for blue eyes, another allele for brown eyes.In humans, simple traits such as eye color may be caused by the interaction of only one pair of alleles.or example, a pair of alleles controlling the same trait, i.e. eye color: one allele codes for blue eyes, another allele for brown eyes. In humans, simple traits such as eye color may be caused by the interaction of only one pair of alleles.
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- Allele definition, any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation. See more.
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MADMAN BIOLOGY Heterozygote: An individual who has two different forms of a particular gene, one inherited from each parent. A heterozygote for cystic fibrosis (CF) has the CF gene on one chromosome 7 and the normal paired gene on the other chromosome 7.
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Gene When multiple different alleles for a gene are present in a species's population it is called polymorphic. Most different alleles are functionally equivalent, however some alleles can give rise to different phenotypic traits. A gene's most common allele is called the wild type, and rare alleles are called mutants.
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allelomorph from The American Heritage® Dictionary of the English Language, 4th Edition. n. An allele. from Wiktionary, Creative Commons Attribution/Share-Alike License. n. one of a number of alternative forms of the same gene occupying a given position on a chromosome; from the GNU version of the Collaborative International Dictionary of English. n.
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allele 1 one of two or more alternative forms of a gene that occupy corresponding loci on homologous chromosomes. Each allele encodes a phenotypic feature or a certain inherited characteristic. An individual normally has two alleles for each gene, one contributed by the mother and one by the father.n humans, for example, the allele for brown eyes is dominant, and the allele for blue eyes is recessive. 2 one of two or more contrasting characteristics transmitted by alternative forms of a gene. Also called allelomorph. allelic, adj.
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What Is a Multi-Allele Trait? Most traits are more complicated, such as multi-allele and polygenic traits, which are are regulated by more than one gene coding for more than one protein or enzyme. Multi-allele traits are located on a single gene, but their expression is more nuanced than genes with classic inheritance patterns.
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- Medical Definition of ALLELE. 1. : any of the alternative forms of a gene that may occur at a given locus. 2.: either of a pair of alternative Mendelian characters (as smooth and wrinkled seed in the pea).— al·le·lic \-ˈlē-lik, -ˈle-\ adjective.edical Definition of ALLELE. 1. : any of the alternative forms of a gene that may occur at a given locus. 2.
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Allele An allele (/əˈliːl/) is the variant form of a given gene. Sometimes, different alleles can result in different observable phenotypic traits, such as different pigmentation. However, most genetic variations result in little or no observable variation. The word allele is a short form of allelomorph (other form, a word coined by William Bateson), which was used in the early days of genetics to describe variant forms of a gene detected as different phenotypes.
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Allele: A Genetics Definition Share. By Regina Bailey. Definition: An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome. These DNA codings determine distinct traits that can be passed on from parents to offspring through sexual reproduction.y Regina Bailey. Definition: An allele is an alternative form of a gene (one member of a pair) that is located at a specific position on a specific chromosome. These DNA codings determine distinct traits that can be passed on from parents to offspring through sexual reproduction.
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What traits are controlled by multiple alleles? Richard's answer is actually quite wrong. *Pleiotropy* is when a single gene controls/influences two or more seemingly unrelated phenotypic traits. You were looking for ~polygenetic inheritance~ in which a single phenotypic trait is controlled by multiple genes. Some common examples include height, hair and eye color, and predisposition to multifactorial diseases like diabetes or heart disease.
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MADMAN BIOLOGY Heterozygote: An individual who has two different forms of a particular gene, one inherited from each parent. A heterozygote for cystic fibrosis (CF) has the CF gene on one chromosome 7 and the normal paired gene on the other chromosome 7. Also known as carrier. Search MedTerms: