Mutations are generally implemented as random changes to the code.
Genetic drift is the name given to random changes which remove variation from a population.
Small population size can cause a random change in allele frequencies.
What we're seeing here is definitely not random change.
In that case one or more random changes might be read on the line.
Like mutations, any random change is apt to serve less well.
It was studying the human body as it went, making random changes and seeing what happened.
The random changes in the show's logo explains the plot.
If it's going through random changes, it might squeeze everybody flat before things settle down.
It will put us through a rapid series of random changes in direction and velocity.