Question

The tendency to choose mates who resemble us is called _____.

Answer 1

The process in which any population people choose their mates according to their preferences is known as assortative mating. 
Example:
- A short height women to mate or marry with short man.
- A long height man wants to marry a tall women.
So, the tendency in which individual wants to mate those individual who are similar to them is called assortative mating.