1. The Complicated Picture
... really nothing more than the chance fluctuation of gene frequencies over several generations. American Indians have an O blood type frequency nearing 100 percent, and yet they probably descend from an Aian population with a group around 50 percent. If, as some have supposed, the number of immigrants from Asia to America was on th order of a dozen or less, they could all ... ...
- Word Count: 1626
- Approx Pages: 7
- Has Bibliography
- Grade Level: Undergraduate