>>22638684No. Iranians have 90% genetic continuity to the Iron Age. They were never white, but they don't cluster near Arabs either.
We have Iron Age samples from HajjiFiruz, Teppe Hasanlu, and Dinkha Tepe BIA B, and modern-day Iranians cluster with them. For example, here. Anything below .03 is very good:
Distance to: Iran_HajjiFiruz_IA
0.02794200 Iranian_Lor_Bakhtiari
0.02811984 Iranian_Lor_Khorramabad
0.02959107 Iranian_Persian_Fars
0.02987181 Iranian_Zoroastrian
0.03061441 Iranian_Mazandarani