Courtship Behavior in Drosophila melanogaster

In every organism, genes for behaviors including innate ones require an environment or a physical body to be expressed. The major significance of an innate behavior is that differences of environments or physical bodies do not affect the behavior. In behavioral biology, innate behavior is a behavior that is developmentally fixed. Although there are environmental differences within and outside organisms' bodies during their development and throughout their life, they all exhibit the same behavior. …