How can you make twins on Sims 4 PS4?

Me
- in PlayStation
1

So I'm restarting, haven't played a household yet and I'm creating my first new one. I create a bunch of OC's of mine, but 2 are identical twins and I don't know how to do them in Sims 4 on PS4. I read online that if you selected a Sim, above the "Delete Sim" there's the copy function that I could use for it. But this is not possible because this function only appears to me in occult (they would both like to be vampires) Sims and is then not selectable.

Re

If you mean Cas, you first have to create the one twin and then when you create a new Sim select this DNA symbol and then just go to randomly create twin. Then a twin is created, but possibly wearing different clothes and a different hairstyle.

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