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More Realistic Genetics (updated 24 JUL '17)

by Nopke Posted 23rd Jul 2017 at 12:26 AM - Updated 1st Aug 2021 at 1:39 PM by Nopke
57 Comments / replies (Who?) - 11 Feedback Posts, 14 Thanks Posts
Picked Upload! This is a picked upload! It showcases some of the best talent and creativity available on MTS and in the community.
This mod makes hair and eye color genetics more realistic. It's based on a simplified real life model of genetics in which there are two genes of eye color (a brown/non-brown gene and a green/blue gene) and two genes of hair color (a dark/blonde gene and a non-red/red tone gene). In the game, there is one gene for eye color and one for hair color, so the mod is an approximation of an approximation [sic] of real life genetics, which is much more complicated.

Update (24 Jul 2017): Added a new version for those who use brown or black default replacements for dark blue eyes.
New genetics rules
  • Blonde hair dominates over red (but still black and brown hair are the most dominant);
  • Dark blue eyes are as recessive as light blue and gray ones, while green eyes dominate over them;
  • Brown eyes are still the most dominant human eyes;
  • Alien eyes dominate over all (like custom eyes) and any Sim can use them. They are available in Bodyshop.
Existing Sims' appearance won't be affected.

There are also two other versions for people who use nonstandard default replacements for dark blue eyes:
  • simNopke-moreRealisticGenetics-hazel makes dark blue eyes as dominant as green. Use for hazel, amber, or green DRs.
  • simNopke-moreRealisticGenetics-brown makes dark blue eyes as dominant as brown. Use for brown or black DRs.
Use only one version of the mod. simNopke-moreRealisticGenetics is also a version.

Genetic values (greater means more recessive) of the genes:


Rikkulidea has written how the game genetics works, check it out if you want to know something more about it.

Conflicts
Despite a conflict, this mod can be used with Creature fixes by Pescado but must loads after it.
I advise against using this mod with mods changing genetics, visibility in the catalog, or "townification" of blonde hair, or alien, green, or dark blue eyes. If you really want to keep those mods though, make sure they load after this mod.

Overriden resources
Resource nameType nameTypeGroupInstanceInstance (high)
all packages
uuface_eye_alienTexture Overlay XML0x2C1FD8A10x2C17B74A0x0C9C468E0x00000000
uuface_eye_greenTexture Overlay XML0x2C1FD8A10x2C17B74A0xAC2293060x00000000
BlondHair Tone XML0x8C1580B50x2C17B74A0x6C1AC6AB0x00000000
simNopke-moreRealisticGenetics and simNopke-moreRealisticGenetics-hazel
uuface_eye_dkblueTexture Overlay XML0x2C1FD8A10x2C17B74A0x4C2293030x00000000
Credits
Ciastko
jfade (The Compressorizer!)
Voeille
Creators of SimPe
Tags: #eyes, #hair, #recessive, #dominant

Type: Defaults

You must have the expansion or stuff packs listed below installed to use this custom content. Please see the post text for any exceptions.

Sims 2

This is a multi-part download:


Use only one version of this mod.
Key: - File was updated after upload was posted
Filename - Tip: You can click the magnifying glass to see the archive contents Size Downloads Date
simNopke-moreRealisticGenetics-brown.zip

Size: 854 Bytes · Downloads: 4,714 · 24th Jul 2017
854 Bytes 4,714 24th Jul 2017
simNopke-moreRealisticGenetics-hazel.zip

Size: 963 Bytes · Downloads: 5,793 · 23rd Jul 2017
963 Bytes 5,793 23rd Jul 2017
simNopke-moreRealisticGenetics.zip

Size: 960 Bytes · Downloads: 18,837 · 23rd Jul 2017
960 Bytes 18,837 23rd Jul 2017
Don't forget to Thank the creator after downloading! Use the Thanks button located above the screenshots above.
Basic Download and Install Instructions:

1. Download: Click the download link to save the .rar or .zip file(s) to your computer.

2. Extract the zip, rar, or 7z file.

3. Place in Downloads Folder: Cut and paste the .package file(s) into your Downloads folder:
  • Origin (Ultimate Collection): Users\(Current User Account)\Documents\EA Games\The Sims™ 2 Ultimate Collection\Downloads\
  • Non-Origin, Windows Vista/7/8/10: Users\(Current User Account)\Documents\EA Games\The Sims 2\Downloads\
  • Non-Origin, Windows XP: Documents and Settings\(Current User Account)\My Documents\EA Games\The Sims 2\Downloads\
  • Mac: Users\(Current User Account)\Documents\EA Games\The Sims 2\Downloads
  • Mac x64: /Library/Containers/com.aspyr.sims2.appstore/Data/Library/Application Support/Aspyr/The Sims 2/Downloads
Need more information?
 
57 Comments / Replies (Who?) - 33 Feedback Posts, 21 Thanks Posts
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Page 1 of 3
Test Subject
THANKS POST
#2 Old 23rd Jul 2017 at 2:52 AM
Many thanks for this mod. It drives me crazy the way genetics have always worked in the game. Thank you thank you!
Forum Resident
THANKS POST
#3 Old 23rd Jul 2017 at 3:02 AM
Thank you I'm all for better genetics!
Test Subject
THANKS POST
#4 Old 23rd Jul 2017 at 5:10 PM
Thank you so much! I didn't even know a mod like this was possible!
Field Researcher
THANKS POST
#5 Old 23rd Jul 2017 at 6:01 PM
Thank you! This is a great addition to my gameplay!
Theorist
THANKS POST
#6 Old 23rd Jul 2017 at 7:10 PM
Already snagged this off your Tumblr, but wanted to say, thank you. I will be removing your first version and adding this one.
Field Researcher
THANKS POST
#7 Old 24th Jul 2017 at 10:10 AM
Great mod! I know I'll be using it.

About the eye genetics, is it possible to do a version of this where dark blue has dominance 1 and green the dominance of 1,5? Asking because I sometimes replace dark blue eyes with black eyes (very, very dark brown) and would like it to be dominant while still keeping the green's 1,5 value.

Thanks!
Scholar
THANKS POST
#8 Old 24th Jul 2017 at 2:18 PM
Genetics has always been one of the most important aspects of the game for me, so thanks for this!
Test Subject
#9 Old 25th Jul 2017 at 12:55 AM Last edited by Turquoise777 : 25th Jul 2017 at 3:27 AM.
Thank you very very much! I have always wanted hazel&green to be dominant over grey&blue, but recessive to brown.
Field Researcher
THANKS POST
#10 Old 4th Aug 2017 at 12:15 PM
Oh thank you for the dark blue as black eyes add on!
Forum Resident
THANKS POST
#11 Old 6th Aug 2017 at 3:03 PM
Thank you! I love the edit for the hair genetics! Makes so much more sense.

I would love it if I could edit the eyecolour genetic values to my own taste though. Maybe you could add a file with all the eyecolour texture overlays included?
I already found the other eyecolours in the game's skins file, but I'm scared of corrupting the files if I add the other overlays to your file myself.
Field Researcher
Original Poster
#12 Old 6th Aug 2017 at 3:58 PM
Quote:
Originally Posted by Avaluna
I would love it if I could edit the eyecolour genetic values to my own taste though. Maybe you could add a file with all the eyecolour texture overlays included?
Undedited eye colors XMLs in one package. Don't forget to delete eye colors XMLs from the moreRealisticGenetics package.

Trying to speak English well.
Q&A on Tumblr | Discord | Latest updates of my mods
Forum Resident
THANKS POST
#13 Old 6th Aug 2017 at 8:19 PM
Thank you so much, you're the best!!
Forum Resident
#14 Old 16th Aug 2017 at 9:09 AM
I am more curious, lets say an alien and a blue eyed person is together, they get a child and their child comes together with a blue eyed person, would the chance - for their child recieving the blue eyes example be there?
Just curious, because I got confused!

I build small houses *^*
Field Researcher
Original Poster
#15 Old 16th Aug 2017 at 8:35 PM Last edited by Nopke : 12th Dec 2019 at 1:17 PM.
@OnayaW Every alien-eyed sim that has a normal-eyed parent, has 50% chances for having a normal-eyed child with a normal-eyed sim.

Trying to speak English well.
Q&A on Tumblr | Discord | Latest updates of my mods
Forum Resident
#16 Old 17th Aug 2017 at 10:42 AM
okay... this explains a lot of my confussion

I build small houses *^*
Lab Assistant
THANKS POST
#17 Old 17th Aug 2017 at 10:51 PM
How neat, that the blonde hair can be changed to be semi-dominant (which I think is the greatest change from previous mods with just Dom or Rec).
Test Subject
THANKS POST
#18 Old 24th Aug 2017 at 4:58 PM
Just recently noticed this mod and am really excited to try it out in my game. Very cool idea, thanks!
Mad Poster
#19 Old 12th Sep 2017 at 2:52 PM
I'd have a question for you Nopke.
Your alien eyes seems to have no changes? Besides being available in CAS and for any sims to wear them. They are dominant, but I think this is default behavior right?
I'm asking because I want them to be dominant over all, but I do not want to see them in CAS...could I just edit something in your property set, or simply delete the alien reference from within your mod? And thank you.

Je mange des girafes et je parle aussi français !...surtout :0)

Find all my old MTS Uploads, on my SFS, And all new uploads Here . :)
Field Researcher
Original Poster
#20 Old 12th Sep 2017 at 9:40 PM
@Rosebine Originally, alien eyes are as dominant as brown eyes. With my mod, they are super dominant, like custom eyes. They are also unlocked for non-alien sims, so they are available in Bodyshop, but not in CaS (I don't know why it works this way). Alien eyes still can't be randomly selected for townies.

Trying to speak English well.
Q&A on Tumblr | Discord | Latest updates of my mods
Mad Poster
THANKS POST
#21 Old 12th Sep 2017 at 9:49 PM
Oh! This is perfect then! Thank you very much for the precision.
Field Researcher
#22 Old 7th Feb 2018 at 1:29 AM
I must give this a try!

Is it possible to alter the genetics so that a black-haired sim (black/black) and a blond-haired sim (blond/blond) can have a brown-haired child (as in my RL family) because that seems more realistic.
Field Researcher
Original Poster
#23 Old 7th Feb 2018 at 8:59 AM
@VirtualAlex Unfortunately, according to the game genetics rules, it isn't possible. That black-haired sim must be black/brown to have brown-haired children.

Trying to speak English well.
Q&A on Tumblr | Discord | Latest updates of my mods
Field Researcher
THANKS POST
#24 Old 7th Feb 2018 at 11:13 PM
I thought so, or it would have been done already. Thanks!
Instructor
#25 Old 3rd May 2018 at 8:05 AM
Regarding hair genetics, are black and brown still equally dominant with this mod?
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