or mo·nog·e·ny

[ mon-uh-jen-uh-sis or muh-noj-uh-nee ]
/ ˌmɒn əˈdʒɛn ə sɪs or məˈnɒdʒ ə ni /


the hypothetical descent of the human race from a single pair of individuals.
Biology. the hypothetical descent of all living things from a single cell.

Origin of monogenesis

First recorded in 1860–65; mono- + -genesis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for monogeny

  • One point seems quite clear, that monogeny is only possible by extending the date of human origins far back into the Tertiaries.

    Human Origins|Samuel Laing
  • The main argument for monogeny has been that the different races of mankind are fertile among themselves.

    Human Origins|Samuel Laing

British Dictionary definitions for monogeny


monogeny (mɒˈnɒdʒɪnɪ)

/ (ˌmɒnəʊˈdʒɛnɪsɪs) /


the hypothetical descent of all organisms from a single cell or organism
asexual reproduction in animals
the direct development of an ovum into an organism resembling the adult
the hypothetical descent of all human beings from a single pair of ancestors
Compare polygenesis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for monogeny


[ mŏn′ə-jĕnĭ-sĭs ]


The theory that all living organisms are descended from a single cell or organism.
The production of similar organisms in successive generations.
Asexual reproduction, as by sporulation or parthenogenesis.
The process of parasitizing a single host, in or on which the entire life cycle of the parasite is passed.

Related forms

mon′o•ge•netic (-jə-nĕtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.