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monogenesis

American  
[mon-uh-jen-uh-sis] / ˌmɒn əˈdʒɛn ə sɪs /
Also monogeny

noun

  1. the hypothetical descent of the human race from a single pair of individuals.

  2. Biology. the hypothetical descent of all living things from a single cell.

monogenesis British  
/ ˌmɒnəʊˈdʒɛnɪsɪs, mɒˈnɒdʒɪnɪ /

noun

  1. the hypothetical descent of all organisms from a single cell or organism

  2. asexual reproduction in animals

  3. the direct development of an ovum into an organism resembling the adult

  4. the hypothetical descent of all human beings from a single pair of ancestors

"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

Etymology

Origin of monogenesis

First recorded in 1860–65; mono- + -genesis

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.