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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 - Wikipedia
    An allele [1] is a variant of the sequence of nucleotides at a particular location, or locus, on a DNA molecule [2] Alleles can differ at a single position through single nucleotide polymorphisms (SNP), [3] but they can also have insertions and deletions of up to several thousand base pairs [4]
  • 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 of a particular trait The combination of alleles that an organism carries constitutes its genotype
  • 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
  • Allele Definition and Examples - Science Notes and Projects
    An allele is one of two or more versions of a gene that are found at the same place, or locus, on a chromosome Genes, which consist of DNA, act as instructions to make molecules called proteins Each person inherits two alleles for each gene (one from each parent)
  • Allele: Function, How It Works, Significance - Verywell Health
    Alleles are copies of genes that influence hereditary characteristics Each person inherits at least two alleles for a particular gene—one allele from each parent They are also called allelomorphs
  • Allele - Definition and Examples - Biology Dictionary
    Allele Definition An allele is specific variation of a gene Bacteria, because they have a single ring of DNA, have one allele per gene per organism In sexually reproducing organisms, each parent gives an allele for each gene, giving the offspring two alleles per gene
  • 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
  • Frequently Asked Questions on Allele Definition - BYJUS
    Alleles are defined as the pairs of genes, occupying a particular spot on a chromosome How many alleles are in a gene? Two – A living organism can have two of the same alleles of a gene or two different alleles
  • How Do Alleles Determine Traits in Genetics? - ThoughtCo
    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
  • 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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