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- Outbreeding_depression abstract "In biology, outbreeding depression occurs when offspring from crosses between individuals from different populations have lower fitness than progeny from crosses between individuals from the same population. The concept is opposed to inbreeding depression. This phenomenon can occur in two ways. First, intermediate genotypes may be disfavored. For example, selection in one population might produce a large body size, whereas in another population small body size might be more advantageous. Gene flow between these populations may lead to individuals with intermediate body sizes, which may not be adaptive in either population. It might be that, in a certain environment, having either a large or a small body is advantageous, whereas an intermediate-sized body is comparatively disadvantageous. A second cause of outbreeding depression may be the breakdown of biochemical or physiological compatibilities between genes in the different breeding populations. Within local, isolated breeding populations, alleles are selected for their positive, overall effects on the local genetic background. Due to nonadditive gene action, the same genes may have rather different average effects in different genetic backgrounds-- hence, the potential evolution of locally coadapted gene complexes. On the other hand, according to the overdominance hypothesis in genetics, it is believed that certain combinations of alleles (which can only be obtained by outbreeding) are especially advantageous when paired in a heterozygous individual, which is one explanation for the existence of hybrid vigor.A third, but neutral, effect of outbreeding is the loss of allopatric speciation of a particular group, that lends its distinctness and contributes to the diversity of said types in either group by the exclusive retention of select traits.".
- Outbreeding_depression wikiPageExternalLink lynch.html.
- Outbreeding_depression wikiPageID "3127574".
- Outbreeding_depression wikiPageLength "4837".
- Outbreeding_depression wikiPageOutDegree "31".
- Outbreeding_depression wikiPageRevisionID "678372754".
- Outbreeding_depression wikiPageWikiLink Allele.
- Outbreeding_depression wikiPageWikiLink Allogamy.
- Outbreeding_depression wikiPageWikiLink Allopatric_speciation.
- Outbreeding_depression wikiPageWikiLink Biological_specificity.
- Outbreeding_depression wikiPageWikiLink Biology.
- Outbreeding_depression wikiPageWikiLink Category:Breeding.
- Outbreeding_depression wikiPageWikiLink Category:Genetics.
- Outbreeding_depression wikiPageWikiLink Category:Population_genetics.
- Outbreeding_depression wikiPageWikiLink Co-adaptation.
- Outbreeding_depression wikiPageWikiLink Coadaptation.
- Outbreeding_depression wikiPageWikiLink Cross-fertilization.
- Outbreeding_depression wikiPageWikiLink Dominance_versus_overdominance.
- Outbreeding_depression wikiPageWikiLink Epistasis.
- Outbreeding_depression wikiPageWikiLink F1_hybrid.
- Outbreeding_depression wikiPageWikiLink Gene_complex.
- Outbreeding_depression wikiPageWikiLink Haldanes_Rule.
- Outbreeding_depression wikiPageWikiLink Haldanes_rule.
- Outbreeding_depression wikiPageWikiLink Heterosis.
- Outbreeding_depression wikiPageWikiLink Heterozygote_advantage.
- Outbreeding_depression wikiPageWikiLink Homology_(biology).
- Outbreeding_depression wikiPageWikiLink Hybrid_(biology).
- Outbreeding_depression wikiPageWikiLink Hybrid_vigor.
- Outbreeding_depression wikiPageWikiLink Inbreeding_depression.
- Outbreeding_depression wikiPageWikiLink Interspecific.
- Outbreeding_depression wikiPageWikiLink Miscegenation.
- Outbreeding_depression wikiPageWikiLink Mule.
- Outbreeding_depression wikiPageWikiLink Offspring.
- Outbreeding_depression wikiPageWikiLink Ortholog.
- Outbreeding_depression wikiPageWikiLink Outbreeding.
- Outbreeding_depression wikiPageWikiLink Outcrossing.
- Outbreeding_depression wikiPageWikiLink Phenotype.
- Outbreeding_depression wikiPageWikiLink Sterility_(physiology).
- Outbreeding_depression wikiPageWikiLink Supergene.
- Outbreeding_depression wikiPageWikiLinkText "Outbreeding depression".
- Outbreeding_depression wikiPageWikiLinkText "less viable".
- Outbreeding_depression wikiPageWikiLinkText "outbreeding depression".
- Outbreeding_depression author "Michael Lynch".
- Outbreeding_depression hasPhotoCollection Outbreeding_depression.
- Outbreeding_depression sourceurl lynch.html.
- Outbreeding_depression wikiPageUsesTemplate Template:More_footnotes.
- Outbreeding_depression wikiPageUsesTemplate Template:NPS.Gov.
- Outbreeding_depression subject Category:Breeding.
- Outbreeding_depression subject Category:Genetics.
- Outbreeding_depression subject Category:Population_genetics.
- Outbreeding_depression type Article.
- Outbreeding_depression type Article.
- Outbreeding_depression type Source.
- Outbreeding_depression type Subfield.
- Outbreeding_depression comment "In biology, outbreeding depression occurs when offspring from crosses between individuals from different populations have lower fitness than progeny from crosses between individuals from the same population. The concept is opposed to inbreeding depression. This phenomenon can occur in two ways. First, intermediate genotypes may be disfavored. For example, selection in one population might produce a large body size, whereas in another population small body size might be more advantageous.".
- Outbreeding_depression label "Outbreeding depression".
- Outbreeding_depression sameAs Dépression_hybride.
- Outbreeding_depression sameAs Аутбридинг.
- Outbreeding_depression sameAs Autbrīdings.
- Outbreeding_depression sameAs Depresja_outbredowa.
- Outbreeding_depression sameAs m.08t6z8.
- Outbreeding_depression sameAs Аутбридинг.
- Outbreeding_depression sameAs Аутбридінг.
- Outbreeding_depression sameAs Autbriding.
- Outbreeding_depression sameAs Q259880.
- Outbreeding_depression sameAs Q259880.
- Outbreeding_depression sameAs 远交衰退.
- Outbreeding_depression wasDerivedFrom Outbreeding_depression?oldid=678372754.
- Outbreeding_depression isPrimaryTopicOf Outbreeding_depression.