A large population of 100,000 bugs lives inside of building. A smaller population of 1,000 cockroaches colonized an eating area in the construction site. Each generation, approximately one migrant enters the construction site population. What do you expect FST (or FIM) is between the SR2 and construction site populations?
Population Growth
R and K Selection
R and K selection are concepts in ecology used to describe traits in the fluctuation of a population or population dynamics. For example, they describe the life-association traits between parent and offspring, such as quantity or number of young ones born at a time, quality of parental care, the age to maturity, and reproductive effort.
A large population of 100,000 bugs lives inside of building. A smaller population of 1,000 cockroaches colonized an eating area in the construction site. Each generation, approximately one migrant enters the construction site population.
What do you expect FST (or FIM) is between the SR2 and construction site populations?
Gene flow (migration) and genetic drift are two examples of the processes that might affect FST (or FIM), a measure of genetic difference between populations.
In this case, there are a lot of bugs—100,000—inside the building, and there are only a few—1,000—cockroaches in the dining area.
Furthermore, one immigrant on average joins the population of construction sites per generation.
The Fixation Index, or FST, is a metric used to quantify genetic variation among populations. In relation to the overall genetic variety, it measures how much genetic variation is distributed throughout populations. It goes from 0 (full differentiation, where each population is fixed for a separate allele) to 1 (no differentiation, where all populations are genetically similar).
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