Heterogamy

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Heterogamy is a term derived from combining the Greek word heteros meaning ("different") and gamos meaning ("marriage"). This term has three meanings one for biology, one for botany and one for social science.[1]

Science

Biology

In biology, heterogamy is sexual reproduction in which two types of gametes fuse, these gametes are usually of varying sizes, forms, and biological functions.[2] This type of heterogamy occurs for example in some aphids. Alternately, heterogamy or heterogamous is often used as a synonym of heterogametic, meaning the presence of two unlike chromosomes in a sex.[3][4]

Botany

In botany, a plant is heterogamous when it carries at least two different types of flowers in regard to their reproductive structures, for example male and female flowers or bisexual and female flowers. Stamens and carpels are not regularly present in each flower or floret.[5]

Social science

In sociology, heterogamy refers to a marriage between two individuals from different social, racial, age, gender or ethnic groups.[5] For instance, ethnic heterogamy involves partners that come from different ethnic backgrounds, while age heterogamy describes a relationship with a notable age gap between two individuals. more broadly heterogamy refers to a union of people who differ in certain characteristics.Page Module:Side box/styles.css has no content.Page Template:Sister project/styles.css has no content.

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Look up heterogamy in Wiktionary, the free dictionary.

References

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  1. ^ Page Module:Citation/CS1/styles.css has no content."Heterogamy". Oxford English dictionary. Retrieved 2026-04-01.
  2. ^ Page Module:Citation/CS1/styles.css has no content."Definition of Heterogamy". merriam-webster.com. Retrieved 2026-04-01.
  3. ^ Page Module:Citation/CS1/styles.css has no content.Lokki, Juhani; Esko Suomalainen; Anssi Saura; Pekka Lankinen (1975-03-01). "Genetic Polymorphism and Evolution in Parthenogenetic Animals. Ii. Diploid and Polyploid Solenobia Triquetrella (lepidoptera: Psychidae)". Genetics. 79 (3): 513–525. doi:10.1093/genetics/79.3.513. PMC 1213290. PMID 1126629. Retrieved 2011-12-20.
  4. ^ Page Module:Citation/CS1/styles.css has no content.Hiroki, Masato; Yohsuke Tagami; Kazuki Miura; Yoshiomi Kato (2004-08-22). "Multiple infection with Wolbachia inducing different reproductive manipulations in the butterfly Eurema hecabe". Proceedings of the Royal Society B: Biological Sciences. 271 (1549): 1751–1755. doi:10.1098/rspb.2004.2769. ISSN 0962-8452. PMC 1691781. PMID 15306297..
  5. ^ a b Page Module:Citation/CS1/styles.css has no content."Heterogamy - Definition & Meaning - Reverso English Dictionary". dictionary.reverso.net. Retrieved 2026-04-01.

“Merriam-Webster Dictionary.” Merriam-Webster.com, 2026, www.merriam-webster.com/dictionary/heterogamy.[1]

“Heterogamy, N. Meanings, Etymology and More | Oxford English Dictionary.” Oed.com, 2025, www.oed.com/dictionary/heterogamy_n?tl=true&tab=factsheet, https://doi.org/10.1093//OED//6247091271.[2]

‌“HETEROGAMY - Definition & Meaning - Reverso English Dictionary.” Reverso.net, 2026, dictionary.reverso.net/english-definition/heterogamy.[3]


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