1. plural of monogenesis; the theory that all organisms descended from a single ancestral form or cell
Usage: biology; formal
2. plural of monogenesis; the origin or development of something from a single source
Usage: general; formal

Examples

• Scientists debated whether monogeneses or polygeneses better explained the diversity of life on Earth.
• The study of monogeneses in evolutionary biology examines how species trace back to common ancestors.
• Different monogeneses have been proposed for the origin of human languages.
• Early naturalists considered various monogeneses to account for the distribution of animal species.
• The hypothesis of monogeneses suggests that all life shares a single ancestral origin.