👉 Primogenous is a term in genetics and genomics that refers to the genetic information that is unique to a particular organism, such as a human or mouse. This unique genetic information is often referred to as "primogenetic" or "primary." In other words, it is the part of the genome that is shared by both parents and serves as an essential building block for the development of the offspring. The term was coined by William F. Ryan in 1972 and has since been