Persian people
Q-M242 accounts for 5.5% (52/938) in Iran according to Grugni 2012, which shows a large and well allocated sampling. The Q samples (52) in the study consist of various subclades such as Q* (3), Q-M120 (1), Q-M25 (30), Q-M346 (8), Q-M378 (10). The highest frequency is at 42.6% (29/68, all Q-M25) in Turkmens of Golestan, followed by 9.1% in Isfahan (Persian people), 6.8% in Khorasan (Persian people), 6% in Lorestan (Luristan, Lurs), 4.9% in Azarbaijan Gharbi (5.1% of Assyrians and 4.8% of Azeris), 4.5% in Fars (Persian people), and so on. Turkmens are known as the descendants of Oghuz Turks who built many Turkic empires and dynasties. Other studies also show similar frequencies.