The innate tendency of offspring to resemble their parents is called

The innate tendency of offspring to resemble their parents is called Heredity.
Heredity also known as Biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.
Heritable traits are known to be passed from one generation to the next via DNA, a molecule that encodes genetic information.