deleterious

  • 51Conservation genetics — For molecular conservation in genetics see: conservation (genetics). For the scientific journal Conservation Genetics, see Conservation Genetics (journal). Part of a series on Genetics Key components Chromosome DNA& …

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  • 52Wiley Act — Pure Food and Drug Act Le Pure Food and Drud Act, aussi appelé Wiley Act, est une importante loi fédérale américaine votée en 1906 et dont l objectif est notamment : « empècher la production, la vente et le transport de nourriture, de… …

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  • 53Incest — This article is about the variable social/legal/religious/cultural infraction of sexual relations with close kin. For the biological act of reproducing with close kin, see inbreeding. For the descriptive term for blood related kin, see… …

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  • 54Inbreeding — is breeding between close relatives, whether plant or animal. If practiced repeatedly, it leads to an increase in homozygosity of a population. A higher frequency of recessive, deleterious traits in homozygous form in a population can, over time …

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  • 55Genetic hitchhiking — is the process by which an evolutionarily neutral or in some cases deleterious allele or mutation may spread through the gene pool by virtue of being linked to a beneficial mutation. More generally, genetic hitchhiking can refer to the process by …

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  • 56pernicious — pernicious, baneful, noxious, deleterious, detrimental are comparable when they mean exceedingly harmful but they differ as to the kind and extent of the potential for harm. Something is either pernicious or baneful which is irreparably harmful… …

    New Dictionary of Synonyms

  • 57Small population size — Populations with small population size behave differently to larger populations. Often this has various harmful consequences for the survival of that population.Demographic effectsThe influence of stochastic (random) variation in demographic… …

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  • 58Neutral theory of molecular evolution — The neutral theory of molecular evolution states that the vast majority of evolutionary changes at the molecular level are caused by random drift of selectively neutral mutants (not affecting fitness).[1] The theory was introduced by Motoo Kimura …

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  • 59Heterosis — Not to be confused with Heterozygosity, or with Heterotic string theory. See also: Heterozygote advantage A mixed breed dog Heterosis, or hybrid vigor, or outbreeding enhancement, is the improved or increased function of any biological quality in …

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  • 60Rawmill — A rawmill is the equipment used to grind raw materials into rawmix during the manufacture of cement. Rawmix is then fed to a cement kiln, which transforms it into clinker, which is then ground to make cement in the cement mill. The rawmilling… …

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