Genetics: Difference between revisions

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imported>Dharden
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Skin tone is passed in the same way. However, if a Sim receives two genes for normal Maxis skin tones, those genes define the ends of a range in which 1 is light skin, 2 is tan, 3 is medium, and 4 is dark. Within that range, all skin tones are equally likely, and which one the baby has is determined at random. For example, a baby who gets a gene for tan skin and one for dark skin may have tan, medium, or dark skin. In SimPE, these genes will be shown as "SkintoneRange". While one will be shown as "dominant" and one as "recessive", the game itself does not treat any normal skin tone as dominant.
 
The [[Alien#The Sims 2|alien]] skin tone appears to be a special case. Like custom skin tones, it is outside the 1-4 range, and is generally treated as dominant, but how this is expressed depends on other conditions. The alien skin tone does not appear to be truly dominant unless one parent is thehomozygous NPCfor [[Pollination Technician]]it. It is possible for the child of an alien-Sim [[hybrid]] to receive and carry the alien-skin gene but express a normal skin tone.
 
====Custom phenotypes====
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;Eyes: Eye dominance is on a scale of 0 to 4. Maxis-dominant is at 1, and Maxis-recessive is at 2; values greater than 2 are usable but unused. By default, custom eyes are at 0, which makes them "super-dominant" over all Maxis eyes. However, some content creators may "geneticize" eyes by editing this value.<ref>http://rikkulidea.livejournal.com/22954.html</ref>
 
;Skintones: By default, custom skin tones are outside the normal range of skin tones. Receiving a gene for a custom skin tone, or for the alien skin tone or the hidden [[mannequin]] skin tone, changes the way skin tones are handled. If a Sim receives a gene for a custom skin tone, the skin tone range is ignored, and skin tone is treated as a dominant/recessive trait. Custom skin tones are dominant<ref name="rikul" />, but how this is expressed in-game may depend on whether the parent who passed the custom-skin gene was homozygous for that tone.{{confirm}}
[[Category:Simology]]
[[Category:The Sims 3]]
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