Hello i didn't know where to ask this, so posting here. I want know if there's a cheat or if somebody know how in game we could choose the baby hair color, i have a couple the male is black haired and the wife red hair... they always have kids black haired, i know it's dominant, but i want a baby red haired how could i make this possible? I don't want change it in simpe, i wanted the baby to born with red hair in game... oh please help me? :D

The only way to change those sims genetics is with SimPE I'm afraid. It isn't that hard, you just open DNA and under his hair you need to put the code for red hair recessive. 00000004-0000-0000-0000-000000000000 This gives them a chance at having a red haired baby.

joandsarah77 thanks for reply :D! So i should open my red haired sim in SimPE and hange that? So this way her red hair would turn dominant is it?

No, red hair is recessive in sims just like it is in real life. If you give him a red hair as recessive it means your baby has a chance of red hair. Mum can only give the red hair gene as she is a red head, dad can pass on either black or red once you have fixed it. You may have to exit and reload the lot a number of times to get a red haired baby. Dad still has a higher chance of passing on black hair. If you want it to be guaranteed of red hair change dads dominant hair colour to red as well. You can still go to a mirror in game and give him black hair, just that it would be dyed black not natural black.

Alright joandsarah77 i got it thank you!

You can also change the dominance of red and black hair (temporarily, if you like) using this mod:
http://www.modthesims.info/download.php?t=434085

Install dominant red and recessive black, have the baby, then remove the mods if you like.