👉 Proterogynous, also known as proprotogynous or protogynous, refers to a term used in biological terms that describes organisms where their genes are located on two different chromosomes. This is similar to how some species of plants have more than one chromosome, but the number of chromosomes they contain remains constant throughout their life cycle. In other words, if an organism has two sets of chromosomes (one set from each parent), it's considered proterogynous because these