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metagenesis
[ met-uh-jen-uh-sis ]
noun
- reproduction characterized by the alternation of a sexual generation and a generation that reproduces asexually; alternation of generations.
metagenesis
/ ˌmɛtədʒɪˈnɛtɪk; ˌmɛtəˈdʒɛnɪsɪs /
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Derived Forms
- ˌmetageˈnetically, adverb
- metagenetic, adjective
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Other Words From
- met·a·ge·net·ic [met-, uh, -j, uh, -, net, -ik], meta·genic adjective
- meta·ge·neti·cal·ly adverb
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Word History and Origins
Origin of metagenesis1
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Example Sentences
There are some species which, having no hydroid or strobila state, mature without alternation of generation (metagenesis).
The former would thus nearly coincide with Haeckels progressive, and the latter with his retrogressive metagenesis.
We are therefore able to distinguish this primary metagenesis from the secondary metagenesis arising from metamorphosis.
The term Nurse (German Amme), employed for the asexual generations in metagenesis, may advantageously be dropped altogether.
In Trachylinae also the beginnings of a similar metagenesis can be found.
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