👉 Galtonian refers to a statistical model in which individuals are divided into two categories, usually males and females. The gender of an individual is determined by their genotype, which includes the presence or absence of genetic markers associated with sex determination. Galton's theory suggests that these markers are inherited from both parents and that they serve as the basis for determining the sex of a child. In this model, individuals are divided into two categories based on their genetic makeup: males (with no genetic markers)