monogeny

[Gr. mono gene i a, from mono genes of one and the same blood; pref. mono-, and genos race, stock, family.] Anthrop.: The opinion or tenet that mankind sprang from a single pair. mon-ô-gô-nen-tic, a. [Pref. mono-, and Greek gone off-spring.] Zool .: Bringing forth but one litter or brood in one season.