Before the work of Hardy and Weinberg, it was thought that dominant alleles must, over time, inevitably cancel recessive alleles out of existence.  

Migration, or genes being transferred from one population to another, is an example of this:

This is a classic example of genetic change over generations, which can be easily demonstrated over a 24-hour period and serves as strong evidence for evolution.

The evidence for evolution has primarily come from ALL of the following sources EXCEPT:

Today, more than half of all professional anthropologists are __________.

Traditionally anthropologists concentrated on __________ and left the study of __________ to other disciplines.

Applied anthropologists practice __________.

Compared to the archaeologist, the historian is __________.

An ethnographer would __________.

In the past anthropologists tried to cover as many subjects as possible, but today many anthropologists __________.