heterogenesis: meaning, definition, pronunciation and examples
Very LowFormal, Technical, Academic, Historical
Quick answer
What does “heterogenesis” mean?
The alternation of generations, especially in some organisms, where offspring are different in form from the parent.
Audio
Pronunciation
Definition
Meaning and Definition
The alternation of generations, especially in some organisms, where offspring are different in form from the parent.
In biology: Alternation between sexual and asexual reproduction in successive generations. In historical biological theory: The supposed spontaneous generation of living organisms from non-living matter, or the generation of a living being from a parent of a different kind.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. The term is used identically in scientific contexts in both regions.
Connotations
In modern biology, it is a neutral, descriptive term for a reproductive cycle. In broader historical contexts, it can carry connotations of outdated or disproven science.
Frequency
Extremely rare in general usage. Its frequency is identical in UK and US academic/scientific writing.
Grammar
How to Use “heterogenesis” in a Sentence
The [organism] exhibits heterogenesis.Heterogenesis in [species] involves...The theory of heterogenesis proposed that...Vocabulary
Collocations
Examples
Examples of “heterogenesis” in a Sentence
verb
British English
- The parasite was observed to heterogenise under specific laboratory conditions.
American English
- The species heterogenizes, switching reproductive modes seasonally.
adverb
British English
- The organism reproduces heterogenetically, alternating between forms.
American English
- The population developed heterogenetically over several generations.
adjective
British English
- The heterogenetic cycle of the liver fluke is complex.
American English
- Researchers identified a heterogenetic pattern in the insect population.
Usage
Meaning in Context
Business
Not used.
Academic
Used in advanced biological texts discussing reproductive strategies or history of science.
Everyday
Virtually never used.
Technical
Core term in specific biological subfields (e.g., parasitology, invertebrate zoology) and history/philosophy of biology.
Vocabulary
Synonyms of “heterogenesis”
Strong
Weak
Vocabulary
Antonyms of “heterogenesis”
Watch out
Common Mistakes When Using “heterogenesis”
- Confusing it with 'heterogeny' or 'heterogeneity'.
- Using it in a modern context to mean 'spontaneous generation' (an outdated sense).
- Misspelling as 'heterogenisis'.
FAQ
Frequently Asked Questions
Not in modern usage. Historically, 'heterogenesis' was sometimes used to mean spontaneous generation (e.g., maggots from meat). Today, it almost exclusively means the biological alternation of generations.
Many ferns exhibit heterogenesis: they alternate between a large, leafy sporophyte generation (what we recognize as a fern plant) and a tiny, separate gametophyte generation that produces sperm and eggs.
Yes, the adjectival form is 'heterogenetic'. For example, 'a heterogenetic life cycle'.
It is a highly specialized term within a specific scientific domain (biology). The concept it describes is more commonly referred to with the phrase 'alternation of generations', which is more transparent in meaning.
Heterogenesis is usually formal, technical, academic, historical in register.
Heterogenesis: in British English it is pronounced /ˌhɛt(ə)rə(ʊ)ˈdʒɛnɪsɪs/, and in American English it is pronounced /ˌhɛdərəˈdʒɛnəsəs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “No common idioms exist for this term.”
Learning
Memory Aids
Mnemonic
Think: HETERO (different) + GENESIS (origin) = a cycle with different origins/forms of life.
Conceptual Metaphor
LIFE AS A CYCLE OF ALTERNATING FORMS
Practice
Quiz
In modern biology, 'heterogenesis' primarily refers to: