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- Sex-determination_system abstract "A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. Most sexual organisms have two sexes. Occasionally there are hermaphrodites in place of one or both sexes. There are also some species that are only one sex due to parthenogenesis, the act of a female reproducing without fertilization.In many species, sex determination is genetic: males and females have different alleles or even different genes that specify their sexual morphology. In animals this is often accompanied by chromosomal differences, generally through combinations of XY, ZW, XO, ZO chromosomes, or haplodiploidy. The sexual differentiation is generally triggered by a main gene (a "sex locus"), with a multitude of other genes following in a domino effect.In other cases, sex is determined by environmental variables (such as temperature) or social variables (e.g. the size of an organism relative to other members of its population). Environmental sex determination preceded the genetically determined systems; it is thought that a temperature-dependent amniote was the common ancestor of animals with sex chromosomes.Some species do not have a fixed sex, and instead change sex based on certain cues. The details of some sex-determination systems are not yet fully understood.".
- Sex-determination_system thumbnail Types_of_sex_determination.png?width=300.
- Sex-determination_system wikiPageExternalLink ?id=vDHOYPQ2mmYC&dq=zo,+zww,+zzww+lepidoptera.
- Sex-determination_system wikiPageID "49414".
- Sex-determination_system wikiPageRevisionID "600891026".
- Sex-determination_system hasPhotoCollection Sex-determination_system.
- Sex-determination_system subject Category:Epigenetics.
- Sex-determination_system subject Category:Sex.
- Sex-determination_system subject Category:Sex-determination_systems.
- Sex-determination_system type Artifact100021939.
- Sex-determination_system type Instrumentality103575240.
- Sex-determination_system type Object100002684.
- Sex-determination_system type PhysicalEntity100001930.
- Sex-determination_system type Sex-determinationSystems.
- Sex-determination_system type System104377057.
- Sex-determination_system type Whole100003553.
- Sex-determination_system comment "A sex-determination system is a biological system that determines the development of sexual characteristics in an organism. Most sexual organisms have two sexes. Occasionally there are hermaphrodites in place of one or both sexes.".
- Sex-determination_system label "Determinacja płci".
- Sex-determination_system label "Determinazione del sesso".
- Sex-determination_system label "Geschlechtsdetermination".
- Sex-determination_system label "Sex-determination system".
- Sex-determination_system label "Sistema de determinación del sexo".
- Sex-determination_system label "Système de détermination sexuelle".
- Sex-determination_system label "Определение пола".
- Sex-determination_system label "性别决定系统".
- Sex-determination_system label "性決定".
- Sex-determination_system sameAs Určení_pohlaví.
- Sex-determination_system sameAs Geschlechtsdetermination.
- Sex-determination_system sameAs Sistema_de_determinación_del_sexo.
- Sex-determination_system sameAs Système_de_détermination_sexuelle.
- Sex-determination_system sameAs Determinazione_del_sesso.
- Sex-determination_system sameAs 性決定.
- Sex-determination_system sameAs 성결정.
- Sex-determination_system sameAs Determinacja_płci.
- Sex-determination_system sameAs m.0d4xc.
- Sex-determination_system sameAs Q594595.
- Sex-determination_system sameAs Q594595.
- Sex-determination_system sameAs Sex-determination_system.
- Sex-determination_system wasDerivedFrom Sex-determination_system?oldid=600891026.
- Sex-determination_system depiction Types_of_sex_determination.png.
- Sex-determination_system isPrimaryTopicOf Sex-determination_system.
