Why did not R1a1 restrict to only Indus River Valley region?

Why does any DNA haplotype exist where it does? Human beings travel and migrate. They've been doing this for hundreds of thousands of years. read more

Mohenjo-daro is thought to have been built in the twenty-sixth century BCE; it became not only the largest city of the Indus Valley Civilization but one of the world’s earliest major urban centers. Located west of the Indus River in the Larkana District, Mohenjo-daro was one of the most sophisticated cities of the period, with advanced engineering and urban planning. read more

But in the 1920s, a huge discovery in South Asia proved that Egypt and Mesopotamia were not the only "early civilizations." In the vast Indus River plains (located in what is today Pakistan and western India), under layers of land and mounds of dirt, archaeologists discovered the remains of a 4,600 year-old city. read more