While conducting research with a small, isolated population in South America, a researcher notes that an overwhelming majority of individuals exhibit signs of a specific genetic abnormality that is usually rare and doesn't seem to have an affect on fitness. This is most likely do to which of the following
This is a situation were there is a reduction in the genetic variation conducted on a small group of people from a given population. It's established from a subset in a population.
In most cases the founders effect can be used to establish a new colony.
Example of founders effect is marrying within the same religion.
