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单词 homozygote
释义

Definition of homozygote in English:

homozygote

noun ˌhəʊmə(ʊ)ˈzʌɪɡəʊtˌhɒmə(ʊ)ˈzʌɪɡəʊt
Genetics
  • An individual having two identical alleles of a particular gene or genes and so breeding true for the corresponding characteristic.

    Compare with heterozygote
    Example sentencesExamples
    • Similarly, inbreeding decreases the effective size of selection but unmasks deleterious alleles in homozygotes.
    • Instead, they are directly related to the allele frequency of the homozygote tested and the sample size.
    • Expression in heterozygotes and homozygotes is apparently identical.
    • For example, in inbred populations there may be very few heterozygotes but several different homozygotes.
    • The eye color of homozygotes and heterozygotes was compared in flies of the same age and sex.
    • This is because inbred individuals are more likely to express deleterious alleles as homozygotes than are outbreds.

Derivatives

  • homozygosity

  • nounˌhɒmə(ʊ)zʌɪˈɡɒsɪti
    mass nounGenetics
    • The possession of two identical alleles of a particular gene or genes by an individual.

      the strains were tested for homozygosity of both mutations
      Example sentencesExamples
      • This was considered an appropriate technique since there was a high incidence of homozygosity and single-site heterozygosity.
      • For partially recessive mutations, high levels of homozygosity in inbred populations may partially oppose these effects.
      • Increased individual homozygosity and decreased population-wide genetic diversity should be disadvantageous.
  • homozygous

  • adjectiveˌhɒmə(ʊ)ˈzʌɪɡəsˌhəʊmə(ʊ)ˈzʌɪɡəs
    Genetics
    • Having two identical alleles of a particular gene or genes.

      homozygous embryos
      Example sentencesExamples
      • Thirteen animals were heterozygous while one was homozygous for this amino acid substitution.
      • In human patients, homozygous as well as heterozygous mutations are associated with disease.
      • Because of perpetual inbreeding, each of the strains has an essentially homozygous genome.
 
 

Definition of homozygote in US English:

homozygote

noun
Genetics
  • An individual having two identical alleles of a particular gene or genes and so breeding true for the corresponding characteristic.

    Compare with heterozygote
    Example sentencesExamples
    • The eye color of homozygotes and heterozygotes was compared in flies of the same age and sex.
    • This is because inbred individuals are more likely to express deleterious alleles as homozygotes than are outbreds.
    • For example, in inbred populations there may be very few heterozygotes but several different homozygotes.
    • Instead, they are directly related to the allele frequency of the homozygote tested and the sample size.
    • Similarly, inbreeding decreases the effective size of selection but unmasks deleterious alleles in homozygotes.
    • Expression in heterozygotes and homozygotes is apparently identical.
 
 
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更新时间:2025/2/5 16:18:37