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monogenesis

[mon-uh-jen-uh-sis] /ˌmɒn əˈdʒɛn ə sɪs/
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.
Also, monogeny.
Origin
1860-1865
1860-65; mono- + -genesis
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for monogeny

monogenesis

/ˌmɒnəʊˈdʒɛnɪsɪs/
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
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
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Word Origin and History for monogeny
n.

"theory that humankind originated from a single pair of ancestors," 1865; see mono- + -geny.

Online Etymology Dictionary, © 2010 Douglas Harper
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monogeny in Medicine

monogenesis mon·o·gen·e·sis (mŏn'ə-jěn'ĭ-sĭs)
n.

  1. The theory that all living organisms are descended from a single cell or organism.

  2. The production of similar organisms in successive generations.

  3. Asexual reproduction, as by sporulation or parthenogenesis.

  4. The process of parasitizing a single host, in or on which the entire life cycle of the parasite is passed.


mon'o·ge·net'ic (-jə-nět'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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