from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See alternation of generations.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the production of sexual and asexual organisms in alternate generations
from the GNU version of the Collaborative International Dictionary of English
- n. The change of form which one animal species undergoes in a series of successively produced individuals, extending from the one developed from the ovum to the final perfected individual. Hence, metagenesis involves the production of sexual individuals by nonsexual means, either directly or through intervening sexless generations. Opposed to
monogenesis. See Alternate generation, under generation.
- n. Alternation of sexual and asexual or gemmiparous generations; -- in distinction from
from The Century Dictionary and Cyclopedia
- n. In biol, that modification of parthenogenesis or alternate generation which is exhibited when an organism passes from the egg to the imago through a series of successively generated individuals differing from one another in form: distinguished by Owen from metamorphosis, or the transformation of any one individual by the modification of its form as a whole.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. alternation of sexual and asexual generations
Under no circumstances would I even think of stress-induced metagenesis as being responsible from an environmental perspective in causing mutations.
But stress-induced metagenesis does cause mutations.
We must, however, not forget that we possess the wonderful analogy of ontogeny (individual development) and above all, the fact of mutation and of metagenesis.