Pleiotropy occurs when a single gene has multiple effects, which is true. This phenomenon has been observed in various organisms.
Pleiotropy occurs when a single gene has wide ranging and diverse phenotypes, meaning it has more than one effect. This phenomenon is true and has been observed in various organisms. For example, the gene responsible for sickle cell anemia also affects the shape and function of red blood cells, as well as the susceptibility to malaria infection.
Learn more about Pleiotropy in genetics