metagenesis

[met-uh-jen-uh-sis]

noun Biology.

reproduction characterized by the alternation of a sexual generation and a generation that reproduces asexually; alternation of generations.

Origin of metagenesis

First recorded in 1885–90; meta- + genesis

Related formsmet·a·ge·net·ic

[met-uh-juh-net-ik] /ˌmɛt ə dʒəˈnɛt ɪk/, met·a·gen·ic, adjectivemet·a·ge·net·i·cal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for metagenesis

Historical Examples of metagenesis

There are some species which, having no hydroid or strobila state, mature without alternation of generation (metagenesis).
The Sea-beach at Ebb-tide
Augusta Foote Arnold
A third way in which metagenesis might originate is through polymorphosis.
Studies in the Theory of Descent (Volumes 1 and 2)
August Weismann
The term Nurse (German Amme), employed for the asexual generations in metagenesis, may advantageously be dropped altogether.
The Works of Francis Maitland Balfour, Volume II (of 4)
Francis Maitland Balfour

British Dictionary definitions for metagenesis

metagenesis

noun

another name for alternation of generations

Derived Formsmetagenetic (ˌmɛtədʒɪˈnɛtɪk) or metagenic, adjectivemetagenetically, adverb

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

metagenesis in Medicine

metagenesis

[mĕt′ə-jĕn′ĭ-sĭs]

alternation of generations