The Sims 4 has less advanced genetics than previous Sims games?

Personally I like ts3 genetics the best. I like to see the children come out as a mix between their two parents with a chance of getting either the mother's hair/eye color or the father's, and the skin color being from either parents or anywhere in between the two. I also love that the kids could inherit unnatural hair/eye colors as well. The only thing I didn't like about it was the random chance of mutation. That brown/green hair color, blonde hair with brown/green roots, and purple eyes were the worst when they showed up.