| 释义 |
metagenesis Biol.|mɛtəˈdʒɛnɪsɪs|
[mod.L.: see meta- and genesis.]
†1. Used by Owen (parthenogenesis, 1849) for: Alternation of generations (see alternation 1 b).
Owen, however, included under this designation certain metamorphoses not now recognized as instances of alternation of generations.
2. Now used in more restricted sense (see quot.).
1889Geddes & Thomson Evol. Sex xv. 207 Simple alternation between sexual and asexual reproduction..is called..metagenesis. |