J1 arrived from Anatolia among the South Arabian populations later than the Egyptians. The timeline is: 

 *Turkish, 15,400 years 
 *Yemen,    9,700 years 
 *Qatar,    7,400 years 
 *Egyptian, 6,400 years 
 *UAE,      6,400 years 
 *Oman,     2,300 years 

 Alicia M Cadenas1, Lev A Zhivotovsky2, Luca L Cavalli-Sforza3, Peter A Underhill3 and Rene J Herrera1, European Journal of Human Genetics (2008) 16, 374–386; doi:10.1038/sj.ejhg.5201934; published online 10 October 2007, Y-chromosome diversity characterizes the Gulf of Oman