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allele    音标拼音: [əl'ɛli]
等位基因; 基因等位

等位基因; 基因等位

allele
n 1: (genetics) 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;
"some alleles are dominant over others" [synonym: {allele},
{allelomorph}]

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  • Allele | Definition, Examples, Facts | Britannica
    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 the expression (phenotype) of a particular trait Learn more about alleles in this article
  • Allele Definition and Examples - Science Notes and Projects
    Get the allele definition and examples in genetics Learn about the difference between alleles and genes and their location on chromosomes
  • Allele - Wikipedia
    For a given locus, if the two chromosomes contain the same allele, they, and the organism, are homozygous with respect to that allele If the alleles are different, they, and the organism, are heterozygous with respect to those alleles
  • Allele - National Human Genome Research Institute
    An allele is one of two or more versions of DNA sequence (a single base or a segment of bases) at a given genomic location An individual inherits two alleles, one from each parent, for any given genomic location where such variation exists
  • What Is an Allele? Definition, Types, and Examples
    At each SNP, one allele is more common (the major allele) and one is rarer (the minor allele) When researchers link a SNP to disease risk, they identify which allele raises that risk
  • Alleles: Definition, Types, Features, Applications - Microbe Notes
    Alleles, known as neutral alleles, have no influence on an organism’s phenotype or its observable characteristics According to Mendelian genetics, dominant alleles can exist in either one or two copies in a person, whereas recessive alleles can exist in only two copies
  • Allele - Definition and Examples - Biology Online Dictionary
    An allele is a term coined to describe a specific copy of a gene Genes, the DNA sequences controlling our traits, are usually found in two copies in eukaryotic genomes; each copy (allele) is inherited from one parent
  • allele | Learn Science at Scitable - Nature
    An allele is a variant form of a gene Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome Humans are called diploid organisms





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