種群修飾

Every species can be radically changed through genetic or cybernetic modification

See also: Traits

Population modification refers to the process of altering a population's traits either to change its habitability, create subspecies suited for different tasks or improving it after unlocking more trait points through research. Both organic and robotic pops can be modified and each has its own set of traits. In addition, a small number of events can modify the population of a colony.

Species with the  複製人士兵（Clone Soldier） or  複製人士兵先裔（Clone Soldier Ascendant） trait cannot be genetically modified.

Trait points and Picks

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The two primary limiters to how many traits in what combination one can have are the Trait Points and Trait Picks. The first contact with both is on the species creation screen. Various technologies add additional Trait Points but Trait Picks are always capped at 5, except for hybrid species which have 6. In Utopia traits given by ascension paths do not count towards either limit.

Species templates

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The genetic modification menu.

Population modification is done via templates. Templates can be applied to pops residing on a planet or to the entire species, previously modified or not. Modified pops are considered part of the same species as the original even if the name and portraits have been changed. However, it is possible to set different rights for templates and its parent species.

Templates with zero current pops can be freely modified or deleted. However, the ones with at least one pop cannot be changed, and the template modification window presents only the option to create a new one.

After a template has been applied a special project to start modifying the selected pops will appear in the situation log. The project will timeout in 30 days if not started. Depending on the kind of modification, how severe the modification (total amount of trait point differences), and how many pops were picked, this special project can be very expensive in science.

The system is currently designed towards favoring bulk modification of many traits over specific via a high base cost.

Type	Genetic	Cybernetic
Unlocked by	腺體適應（Glandular Acclimation） for climate preference  基因剪裁（Gene Tailoring） for adding positive and removing negative traits  基因重組（Genetic Resequencing） for removing positive and adding negative traits	機械模板系統（Machine Template System）
Cost	3000  社會學研究（Society Research） Research +5 per affected Pop +20 per affected Pop per Trait Point Difference between the old and new Templates +60 per affected Pop if climate preference is changed -25% for Engineered Evolution ascension perk -25% for Evolutionary Mastery ascension perk	1500  Engineering Research +20 per affected Pop +40 per affected Pop per Trait Point Difference between the old and new Templates -33% for Synthetic Age ascension perk -50% for Synthetic Evolution ascension perk
Trait Points	基因剪裁（Gene Tailoring） technology grants +1  基因定向表達（Targeted Gene Expressions） technology grants +1 Engineered Evolution ascension perk grants +3 Evolutionary Mastery ascension perk grants +3 The Omnicodex relic grants +1 Hybrid species have one additional trait point and one additional trait pick	機械模板系統（Machine Template System） technology grants +2 (+1 for machine empires) Cross-Model Standardization / Binary Motivators technology grants +1 Fungible Circuitry / Nanite Assemblers technology grants +1 Synthetic Evolution ascension perk grants +1 Synthetic Age ascension perk grants +2

Uplifting

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For pre-sapient species the option to create templates is replaced with the option to uplift and bring them to sapience. It requires the  表觀遺傳學機制（Epigenetic Triggers） technology and costs 3000  社會學研究（Society Research） research. Upon completion, the empire will instantly integrate the uplifted species and gain 500  影響力（Influence）. In addition, the uplifted species will gain +10%  幸福度（Happiness） when living within the borders of the empire that uplifted it. The initial ethics of the uplifted species will be determined by a series of initial events. Afterwards, the species fully susceptible to Ethics divergence.

Assimilation

This special Citizenship with associated Living Standards allows the conversion of pops to better fit the existing empire, without the hassle of regular modification. Each year 3, 6, or 12 pops will be assimilated, chosen from among all assimilating pops. The type of assimilation depends on the empire and the pop in question.

 種族潔癖（Fanatic Purifiers）,  噬殺蜂群（Devouring Swarm）s, and  噬岩者（Terravore）s can't perform any kind of assimilation.  蜂巢思維（Hive-Minded） pops can't be assimilated into an empire that isn't a  蜂巢思維（Hive Mind）, except with Hive Dissociation.

Assimilation type	Empire requirements	Species requirements	Trait gained	Traits removed
Identity Sublimation	同化鬥士（Driven Assimilator）	機械體（Mechanical）  機械（Machine）  神經機械（Cybernetic）	神經機械（Cybernetic）	蜂巢思維（Hive-Minded）  自我改造（Self-Modified）
Identity Sublimation	掌控進化（Evolutionary Mastery）  蜂巢思維（Hive Mind）	機械體（Mechanical）  機械（Machine）  蜂巢思維（Hive-Minded）	蜂巢思維（Hive-Minded）	自我改造（Self-Modified）
Transubstantiation Synthesis	血肉苦弱（The Flesh is Weak）	機械體（Mechanical）  機械（Machine）  神經機械（Cybernetic）  蜂巢思維（Hive-Minded）	神經機械（Cybernetic）	自我改造（Self-Modified）
Transubstantiation Synthesis	合成進化（Synthetic Evolution）	機械體（Mechanical）  機械（Machine）  蜂巢思維（Hive-Minded）	機械體（Mechanical）	All
Hive Dissociation	掌控進化（Evolutionary Mastery）  格式塔意識（Gestalt Consciousness）	蜂巢思維（Hive-Minded）		蜂巢思維（Hive-Minded）
Transcendent Awakening	超凡入聖（Transcendence）	機械體（Mechanical）  機械（Machine）  神經機械（Cybernetic）	靈能（Psionic）	潛在的靈能（Latent Psionic）

Assimilating a pop from an invaded primitive species into a  格式塔意識（Gestalt Consciousness） will additionally remove culture shock modifiers.

Ascension paths

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Genetic modification can be used in conjunction with some of the ascension perks.

• The biological ascension path focuses entirely on genetic modification. Each of the two ascension perks grants 3 additional trait points and reduces the cost of genetic modification projects by 25%, as well as unlocking early the  基因種子純化（Gene Seed Purification） and  基因重組（Genetic Resequencing） technologies.
• The psionic ascension path adds the  靈能（Psionic） trait, which cannot be acquired or removed through genetic modification. At first, only the founding species will get it, but other species living in the empire can get it through assimilation.
• Choosing the synthetic ascension path will first enhance all empire species with the  神經機械（Cybernetic） trait. Cybernetic species are still organic enough to be genetically modified. Completing the synthetic ascension path will upload all  神經機械（Cybernetic） pops into Robotic bodies, replacing genetic modification with cybernetic.

Hybrid species

Xenophile empires can pick the Xeno-Compatibility Ascension Perk to allow the reproduction of two organic species into hybrid species. Hybrid species take a portrait from one of the parent species and a mix of traits from both parent species, with at least one trait being inherited from each. They also get +1 trait point and +1 trait pick. Two species are 3× more likely to create a hybrid species if they are part of the same species group.

A Caravan event unique to Xenophile empires also has a 33% chance of creating a hybrid species.

參考資料

遊戲概念