Monogamy

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Monogamy

Monogamy usually refers to a form of marriage in which an individual has only one spouse at any one time. However, monogamy may also refer to the more general state of having only one mate at any one time and as such may be applied to the social behavior of all animals.[1] In current usage monogamy often refers to having one sexual partner irrespective of marriage or reproduction.[citation needed]

Contents

Etymology

The word monogamy comes from the Greek words "μονός", monos which means one or alone, and "γάμος", gamos which means marriage.[1]

Aspects of monogamy

  • Social monogamy refers to two persons/creatures who live together, have sex with each other, and cooperate in acquiring basic resources such as food, clothes, and money.
  • Sexual monogamy refers to two persons/creatures who remain sexually exclusive with each other and have no outside sex partners.
  • Genetic monogamy refers to two partners that only have offspring with each other.
  • Marital monogamy refers to marriages of only two people.
  • Spiritual monogamy refers to the worship of only one God, or monotheism.

Varieties of monogamy

Recent discoveries have led biologists to talk about the three varieties of monogamy: social monogamy, sexual monogamy, and genetic monogamy. The distinction between these three are important to the modern understanding of monogamy.

Monogamous pairs of animals are not always sexually exclusive. Many animals that form pairs to mate and raise offspring regularly engage in sexual activities with partners other than their primary mate. This is called extra-pair copulation.[2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] Sometimes these extra-pair sexual activities lead to offspring. Genetic tests frequently show that some of the offspring raised by a monogamous pair come from the female mating with an extra-pair male partner.[4][5][17][18] These discoveries have led biologists to adopt new ways of talking about monogamy:

"Social monogamy refers to a male and female's social living arrangement (e.g., shared use of a territory, behaviour indicative of a social pair, and/or proximity between a male and female) without inferring any sexual interactions or reproductive patterns. In humans, social monogamy equals monogamous marriage. Sexual monogamy is defined as an exclusive sexual relationship between a female and a male based on observations of sexual interactions. Finally, the term genetic monogamy is used when DNA analyses can confirm that a female-male pair reproduce exclusively with each other. A combination of terms indicates examples where levels of relationships coincide, e.g., sociosexual and sociogenetic monogamy describe corresponding social and sexual, and social and genetic monogamous relationships, respectively." (Reichard, 2003, page 4)[19]

Whatever makes a pair of animals socially monogamous does not necessarily make them sexually or genetically monogamous. Social monogamy, sexual monogamy, and genetic monogamy can occur in different combinations.

When applying these terms to people, it's important to remember that social monogamy does not always involve marriage. A married couple is almost always a socially monogamous couple. But couples who choose to cohabit without getting married can also be socially monogamous.

Serial monogamy

Serial monogamy is characterized by a series of long- or short-term, exclusive sexual relationships entered into consecutively over the lifespan.[20] This does not refer to a fourth variety of monogamy in regards to the three main types, but is a type of monogamy that can describe any of the three varieties.

In common usage referring to humans, the two partners need not be married, but may be involved in a sexually monogamous relationship. This behavior is sometimes referred to as a form of,[21] or replacement for,[22] polygamy.

In animal sexuality, serial monogamy often means that an animal will have a different, but exclusive, breeding partner each mating season. Generally, any animals that do not mate with one partner, for life, but do mate exclusively with one partner per mating season can be considered serially monogamous, including those who find a second mate only upon the death of the first.

Western culture

Within Western culture, several academics have put forth the position that serial monogamy is considered more fundamental than "full" monogamy.[23][24]

Break up

Serial monogamy has always been closely linked to divorce practices. Whenever procedures for obtaining divorce have been simple and easy, serial monogamy has been found.[25] As divorce has continued to become more accessible, more individuals have availed themselves of it, and many go on to remarry.[26] It has been suggested, however, that high mortality rates in centuries past accomplished much the same result as divorce, enabling remarriage (of one spouse) and thus serial monogamy.[27][28][29]

Animals

Mating system

Main article: Animal sexuality

Monogamy is one of several mating systems observed in animals. The amount of social monogamy in animals varies across taxa, with over 90% of birds engaging in social monogamy but only 7% of mammals engaging in social monogamy. With birds the locomotion method has meant that the sharing of genetic material with non-local sources is far less difficult, and reproduction is far more successful when both the male and the female contribute food resources to the offspring. The incidence of sexual monogamy appears quite rare in other parts of the animal kingdom. It is becoming clear that even animals that are socially monogamous engage in extra-pair copulations.[1]

Evolution in animals

Main article: Monogamous pairing in animals

Socially monogamous species are scattered throughout the animal kingdom: A few insects, a few fish, a large number of birds, and a few mammals are socially monogamous. There is even a parasitic worm, Schistosoma mansoni, that in its female male pairings in the human body is monogamous.[30] The diversity of these species with social monogamy suggests that it is not inherited from a common ancestor but instead evolved independently in many different species.

Psychology of monogamy

Main article: Psychology of sexual monogamy

Monogamy in ancient societies

Monogamy was a basic family model in the civilisations of the ancient Middle East.

Ancient Mesopotamia and Assyria

Both the Babylonian and Assyrian families were monogamous in principle. In the patriarchal society of Mesopotamia the nuclear family was called a "house". In order "to build a house" a man was supposed to marry one woman and if she did not provide him with offspring, he could take a second wife. Code of Hammurabi states that he loses his right to do so, if the wife herself gives him a slave as concubine.[31] According to Old Assyrian texts, he could be obliged to wait for two or three years before he was allowed to take another wife. The position of the second wife was that of a "slave girl" in respect to the first wife, as many marriage contracts explicitly state.[32]

Ancient Egypt

Monogamy is believed to be basic family model also in ancient Egypt.[33]

Incidence of monogamy in humans

Happy old couple living faithful marital monogamy, Kaszubski square, Gdynia, Poland.

Incidence of social monogamy

The United Nations World Fertility Report of 2003 reports that 89% of all people get married before age forty-nine.[34] The percent of women and men who marry before age forty-nine drops to nearly 50% in some nations and reaches 100% in other nations.[35]

Not all marriages are socially monogamous. Anthropological studies have reported that 80-85% of societies allow polygamous marriage.[36][37][38][verification needed] However, most of the men in societies that allow polygamy do not obtain sufficient wealth or status to have multiple wives, so the majority of marriages in these societies involve one husband and one wife. Murdock has estimated that 80% of marriages in societies that allow polygamy involve only one husband and one wife.[38] White has analyzed the distribution of husbands by number of wives in societies that allow polygamy (see Table 1 in White, 1988, pages 535-539).[39] His analysis also supports the claim that around 80% of marriages in these societies involve only one husband and one wife. In fact, so many marriages are socially monogamous that Murdock had years earlier stated:

"An impartial observer employing the criterion of numerical preponderance, consequently, would be compelled to characterize nearly every known human society as monogamous, despite the preference for and frequency of polygyny in the overwhelming majority." (Murdock, 1949, pages 27-28)[40]

Incidence of sexual monogamy

The incidence of sexual monogamy can be roughly estimated as the percentage of married people who do not engage in extramarital sex. Several studies have looked at the percentage of people who engage in extramarital sex. These studies have shown that extramarital sex varies across cultures and across genders.

The Standard Cross-Cultural Sample describes the amount of extramarital sex by men and women in over 50 pre-industrial cultures.[41][42] The amount of extramarital sex by men is described as "universal" in 6 cultures, "moderate" in 29 cultures, "occasional" in 6 cultures, and "uncommon" in 10 cultures. The amount of extramarital sex by women is described as "universal" in 6 cultures, "moderate" in 23 cultures, "occasional" in 9 cultures, and "uncommon" in 15 cultures. These findings support the claim that the amount of extramarital sex differs across cultures and across genders.

Recent surveys conducted in non-Western nations have also found cultural and gender differences in extramarital sex. A study of sexual behavior in Thailand, Tanzania and Côte d'Ivoire suggests about 16-34% of men engage in extramarital sex while a much smaller (unreported) percentage of women engage in extramarital sex.[43] Studies in Nigeria have found around 47-53% of men and to 18-36% of women engage in extramarital sex.[44][45] A 1999 survey of married and cohabiting couples in Zimbabwe reports that 38% of men and 13% of women engaged in extra-couple sexual relationships within the last 12 months.[46]

Nowhere has extramarital sex been examined more frequently than in the United States.[citation needed] Many surveys asking about extramarital sex in the United States have relied on convenience samples. A convenience sample means surveys are given to whoever happens to be easily available (e.g., volunteer college students or volunteer magazine readers). Convenience samples do not accurately reflect the population of the United States as a whole, which can cause serious biases in survey results. It should not be surprising, therefore, that surveys of extramarital sex in the United States have produced widely differing results. These studies report that about 12-26% of married women and 15-43% of married men engage in extramarital sex.[47][48][49] The only way to get scientifically reliable estimates of extramarital sex is to use nationally representative samples. Three studies have used nationally representative samples. These studies have found that about 10-15% of women and 20-25% of men engage in extramarital sex.[50][51][52]

A majority of married people remain sexually monogamous during their marriages. The number of married partners who engage in extramarital sex never exceeds 50% in studies using large or nationally representative samples. Yet, the incidence of sexual monogamy varies across cultures. People in some cultures are more sexually monogamous than people in other cultures. Women also appear to be more sexually monogamous than men.[citation needed]

In the U.S., some studies have found that the majority of gay male couples are not monogamous. Research by Colleen Hoffon of 566 gay male couples from the San Francisco Bay Area found that only 45% had monogamous relationships. That study was funded by the National Institute of Mental Health.[53]

Incidence of genetic monogamy

The incidence of genetic monogamy may be estimated from rates of extrapair paternity. Unfortunately, rates of extrapair paternity have not been extensively studied in people. Many reports of extrapair paternity are little more than quotes based on hearsay, anecdotes, and unpublished findings.[54] Simmons, Firman, Rhodes, and Peters reviewed 11 published studies of extra-pair paternity from various locations in the United States, France, Switzerland, United Kingdom, Mexico, and the Yanomamo Indians in South America.[55] The rates of exptrapair paternity ranged from 0.03% to 11.8% although most of the locations had low percentages of extrapair paternity. The median rate of extrapair paternity was 1.8%. A separate review of 17 studies by Bellis, Hughes, Hughes, and Ashton found slightly higher rates of extrapair paternity.[56] The rates varied from 0.8% to 30% in these studies, with a median rate of 3.7% extrapair paternity. A range of 1.8% to 3.7% extrapair paternity implies a range of 96% to 98% genetic monogamy. Although the incidence of genetic monogamy may vary from 70% to 99% in different cultures or social environments, a large percentage of couples remain genetically monogamous during their relationships. A review paper surveying 67 other studies of nonpaternity reporting rates of nonpaternity in different societies ranging from 0.4% to over 50% was recently published by Kermyt G. Anderson.[57]

Pedigree errors are a well-known source of error in medical studies. When attempts are made to try to study medical afflictions and their genetic components, it becomes very important to understand nonpaternity rates and pedigree errors. There are numerous software packages and procedures that exist for correcting research data for pedigree errors.[58][59][60]

Value of monogamy

Main article: Value of monogamy

Some cultures value monogamy as an ideal form of family organization. However, many cultures prefer other forms of family organization. Anthropological data suggests many societies prefer polygamous marriage as a cultural ideal.[36][37][38] There are multiple forms of nonmonogamy that are used to organize families, as well multiple forms of monogamy such as marriage, cohabitation and extended families.

Critics of monogamy, such as author and commentator Andrew Sullivan, argue that it involves a damaging self-denial that pushes people out of their natural instincts and that it can be psychologically damaging.[61] The dominant culture of the gay community disdains monogamy since open relationships are perceived as more honest to the inherent sexual desires of gay men, which means- in that view- that monogamous relationships are shorter and involve less trust. However, a significant minority of gay men are monogamous.[53]

See also

References

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  2. ^ Ågren, G., Zhou, Q. & Zhong, W. (1989). Ecology and social behaviour of Mongolian gerbils Meriones unguiculatus, at Xilfudjeudeyjxidiuhot, Inner Mongolia, China. Animal Behaviour, 37, 11-27.
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  20. ^ Definition by Health24's sex glossarys.
  21. ^ Mary Amir Ali, Ph.D. refers to the practice as serial polygamy
  22. ^ Serial Monogamy, Serial Polygamy, or Worse? suggests that some rich men only practice serial monogamy because polygamy is illegal.
  23. ^ Serena Petrella (Department of Sociology, Carleton University, Canada) declares serial monogamy a "norm" in her article Only with You – Maybe – If You Make Me Happy: A Genealogy of Serial Monogamy as Governance and Self- Governance.
  24. ^ Feminism and The Moral Animal states: "We do not actually live in a society built on monogamy, but on serial monogamy."
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  29. ^ Timothy J. Owston, Divorce. 2nd edition, April, 2006
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  53. ^ a b Many gay couples negotiate open relationships
  54. ^ Macintyre, S. & Sooman, A. (1991). Non-paternity and prenatal genetic screening. Lancet, 338, 869-871.
  55. ^ Simmons, L.W., Firman, R.E.C., Rhodes, G., & Peters, M. (2004). Human sperm competition: testis size, sperm production and rates of extrapair copulations. Animal Behaviour, 68, 297-302.
  56. ^ Bellis, M.A., Hughes, K., Hughes, S., & Ashton, J.R. (2005). Measuring paternal discrepancy and its public health consequences. Journal of Epidemiology and Community Health, 59, 749-754
  57. ^ How Well Does Paternity Confidence Match Actual Paternity? Evidence from Worldwide Nonpaternity Rates, Kermyt G. Anderson, Current Anthropology 48(3): 511-518. 2006.
  58. ^ Enhanced Pedigree Error Detection, Lei Suna, Kenneth Wildera, Mary Sara McPeeka, Human Heredity 2002;54:99-110 (DOI: 10.1159/000067666)
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  61. ^ Andrew Sullivan. Virtually Normal. 
  • Korotayev, Andrey (2004). World Religions and Social Evolution of the Old World Oikumene Civilizations: A Cross-cultural Perspective (First ed.). Lewiston, New York: Edwin Mellen Press. ISBN 0-7734-6310-0. 

Further reading

  • Barash, David P., and Lipton, Judith Eve. The Myth of Monogamy: Fidelity and Infidelity in Animals and People. New York: W. H. Freeman and Co./Henry Hold and Co., 2001. ISBN 0805071369.
  • Kleiman, Devra G. "Monogamy in Mammals". The Quarterly Review of Biology, 52.1 (March 1977): 39–69. Accessed 21 July 2008.
  • Lehrman, Sally. "The Virtues of Promiscuity". July 22, 2002. AlterNet. Accessed 21 July 2008. On studies showing social and genetic benefits of promiscuity.
  • Reichard, Ulrich H., and Christophe Boesch (eds.). Monogamy: Mating Strategies and Partnerships in Birds, Humans and Other Mammals. New York: Cambridge University Press, 2003. ISBN 0521819733, ISBN 0521525772.

External links

Retrieved from "http://en.wikipedia.org/wiki/Monogamy"