Eastern Jews are not racialy mixed, they have always been that way since antiquity.
More on the Arabid race: Arabid Race: slanted eye-socket and almond eyes. Differentiated from the preceding races in facial morphology and facial dynamics. Also a very narrow and sloping forehead, with a distinct rhombicshaped face. A Syrid subrace, with a lower frequency of blood type gene r.
The Arabid race (i.e., the Bedouins, et al.) is distinguished from the West-Mediterranean race almost only by a nevertheless unusually large number of small, but very characteristic facial traits (See Figure 10). These include the almond eyes, the "Semitic smile" (conditioned by unusually deep Fossa canina), etc. This race had in earlier times a broader-formed Syrid subrace, which was found among the farmers of the "Fertile Crescent." It is now only typical of the Jews today! Eastern ones in particular.
Orintealid race: Oriental)
Brunet-white to Redish-brownish skin color, very dark hair and eyes, abbundant pilosity; medium stature (165), slim body; very long (74) and high head with prominent occiput; long face; large and high nose with root at the level of the forehead, straight or convex spine, strongly curved nostrils (64); full lips, robust chin.