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fija

(1) In population genetics, a gene is "fixed" when it has a frequency of 100 percent. (2) In creationism, species are described as "fixed" in the sense that they are believed not to change their form, or appearance, through time.

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  • Vārdšķira: noun
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  • Blossary:
  • Nozare/domēns: Archaeology
  • Category: Evolution
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Nozare/domēns: Archaeology Category: Evolution

deriva genética

Changes in the frequencies of alleles in a population that occur by chance, rather than because of natural selection.