Phenotypes

A phenotype is the visible characteristics of an organism—such as its size, color, shape, and behavior—that are determined by the interaction between its genes (genotype) and the environment. Phenotypes are often seen as a product of both genetic and environmental influences. They can be used to better understand the effects of genetic mutations, influence evolutionary pathways, and diagnose and treat diseases. Additionally, phenotypes can help us better understand the unique traits of an organism that make it successful in its environment, like the ability to resist pests or tolerate drought. Finally, researchers studying the evolution of a species within a certain environment can use phenotypes to monitor the progress of the population over time.