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'''''Adam's Curse: A Future Without Men''''' is a '''2003 popular science book''' by '''[[Bryan Sykes]]''', a British geneticist best known for his work on human ancestry and the Y chromosome. The book presents the argument that the Y chromosome is gradually deteriorating and may eventually lead to the '''extinction of men'''.<ref name=":0">{{Cite web |title=Adam's Curse : A Future Without Men |url=https://www.goodreads.com/book/show/6991.Adam_s_Curse |access-date=2025-06-24 |website=Goodreads |language=en}}</ref>


== Overview ==
'''''Adam's Curse: A Future Without Men''''' (also known as '''''Adam's Curse: A Story of Sex, Genetics, and the Extinction of Men''''') is a 2003 book by [[Oxford University]] human [[genetics]] professor [[Bryan Sykes]] expounding his hypothesis that with the declining [[Infertility#Immune infertility|sperm count]] in men and the continual atrophy of the [[Y chromosome]], within approximately 125,000 years men shall become extinct.<ref>{{Cite journal |last=Graves |first=Jennifer A. Marshall |date=15 January 2004 |title=The descent of man |url=https://www.nature.com/articles/427199a |journal=Nature |language=en |volume=427 |issue=6971 |pages=199–199 |doi=10.1038/427199a |issn=1476-4687}}</ref><ref>{{Cite news |last=Orr |first=H. Allen |date=2005-05-12 |title=Vive la Différence! |url=https://www.nybooks.com/articles/2005/05/12/vive-la-difference/ |access-date=2025-09-19 |work=The New York Review of Books |language=en |volume=52 |issue=8 |issn=0028-7504}}</ref>
In ''Adam’s Curse'', Sykes proposes that the '''Y chromosome''', which determines male sex in humans, is undergoing '''genetic decay'''. Because it lacks a partner chromosome to recombine with during meiosis, it cannot effectively repair mutations, making it vulnerable to degeneration over evolutionary timescales.<ref name=":0" />


Sykes hypothesizes that if this decay continues, '''men may become extinct within 100,000 years'''.<ref name=":0" /> He explores possible outcomes, including '''asexual reproduction''', '''cloning''', and '''female-only societies''', arguing that advances in reproductive science could eventually allow humans to reproduce '''without men'''.<ref name=":1">{{Cite journal |date=2003-11-20 |title=Erratum |url=https://doi.org/10.1038/426246a |journal=Nature |volume=426 |issue=6964 |pages=246–246 |doi=10.1038/426246a |issn=0028-0836}}</ref>
Sykes thinks one of the options for humanity's survival is unisex reproduction by females: female eggs fertilised by the nuclear [[X chromosome|X chromosomes]] of another female and implanted using [[in vitro fertilisation]] methods. He also introduces the possibility of moving the [[SRY]] and associated genes responsible for maleness and male fertility to another chromosome, which he refers to as "the Adonis chromosome", engendering fertile males with an XX [[karyotype]].
 
== Key Arguments ==
 
* '''Genetic Degeneration''': The Y chromosome contains fewer genes than other chromosomes and lacks recombination, increasing mutation accumulation.<ref name=":0" />
* '''Male Extinction''': Extrapolating from current decay rates, Sykes suggests men could go extinct over evolutionary timescales.<ref name=":0" />
* '''Female Reproduction''': Technologies such as '''parthenogenesis''' or creating sperm from female cells may eventually render males biologically unnecessary.<ref name=":1" />


== Reception ==
== Reception ==
The book received '''broad media attention''' for its bold premise and engaging narrative. It was praised for popularizing complex genetic concepts for general audiences.
BBC News reported in 2012 that a US study in Nature suggests the genetic decay has all but ended and that "The conclusion from these comparative studies is that genetic decay has in recent history been minimal, with the human chromosome having lost no further genes in the last six million years, and only one in the last 25 million years."<ref>{{Cite news |date=22 February 2012 |title=Male Y chromosome extinction theory challenged |url=https://www.bbc.com/news/science-environment-17127617 |url-status=live |archive-url=https://web.archive.org/web/20240505101437/https://www.bbc.com/news/science-environment-17127617 |archive-date=5 May 2024 |access-date=17 November 2024 |work=[[BBC News]]}}</ref>


However, '''some scientists criticized''' the core thesis as '''overstated and speculative''', noting that the Y chromosome contains mechanisms (such as palindromic sequences) that help preserve its genetic integrity.<ref>{{Cite journal |last=Jobling |first=Mark A. |last2=Tyler-Smith |first2=Chris |date=November 1995 |title=Fathers and sons: the Y chromosome and human evolution |url=https://doi.org/10.1016/s0168-9525(00)89144-1 |journal=Trends in Genetics |volume=11 |issue=11 |pages=449–456 |doi=10.1016/s0168-9525(00)89144-1 |issn=0168-9525}}</ref>
In a review for the [[Journal of Clinical Investigation|''Journal of Clinical Investigation'']], Kevin Jon Williams wrote that the book "desperately needs an editor’s scalpel — plus a dose of common sense."<ref>{{Cite journal |last=Williams |first=Kevin Jon |date=2004-10-01 |title=Adam’s curse  A future without men |url=https://www.jci.org/articles/view/23258 |journal=[[The Journal of Clinical Investigation]] |language=en |volume=114 |issue=7 |pages=870–870 |doi=10.1172/JCI23258 |issn=0021-9738}}</ref>


== Author ==
== Publication history ==
'''Bryan Sykes''' (1947–2020) was a professor of human genetics at the '''University of Oxford''' and a Fellow of Wolfson College. He gained public attention through his earlier bestsellers ''The Seven Daughters of Eve'' and ''Blood of the Isles''.<ref>{{Citation |last=Moorhouse |first=Sarah |title=Sykes, Bryan Clifford (1947–2020), geneticist and entrepreneur |date=2024-04-11 |work=Oxford Dictionary of National Biography |url=https://doi.org/10.1093/odnb/9780198614128.013.90000381708 |access-date=2025-06-24 |publisher=Oxford University Press |isbn=978-0-19-861412-8}}</ref>
 
==See also==
* [[Sex-determination system]]
* [[Y-chromosomal Adam]]


==References==
* {{Citation
<references />
*{{Citation
|title=Adam's Curse: A Future Without Men
|title=Adam's Curse: A Future Without Men
|first=Bryan
|first=Bryan
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|url=https://books.google.com/books?id=NJ6EPt17qeEC
|url=https://books.google.com/books?id=NJ6EPt17qeEC
|isbn=0-593-05004-5}}
|isbn=0-593-05004-5}}
* {{Citation
|title=Adam's Curse: A Future Without Men
|first=Bryan
|last=Sykes
|year=2004
|publisher=W.W. Norton & Company
|url=
|isbn=0-393-05896-4|place=New York}}
==See also==
* [[Sex-determination system]]
* [[Y-chromosomal Adam]]
==References==
<references />
*
<!-- Sykes, Bryan (2003). ''Adam's Curse: A Story of Sex, Genetics, and the Extinction of Men''. London: Bantam Press. ISBN 0-593-05004-5 -->
<!-- Sykes, Bryan (2003). ''Adam's Curse: A Story of Sex, Genetics, and the Extinction of Men''. London: Bantam Press. ISBN 0-593-05004-5 -->


Latest revision as of 04:31, 19 September 2025

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Adam's Curse: A Future Without Men (also known as Adam's Curse: A Story of Sex, Genetics, and the Extinction of Men) is a 2003 book by Oxford University human genetics professor Bryan Sykes expounding his hypothesis that with the declining sperm count in men and the continual atrophy of the Y chromosome, within approximately 125,000 years men shall become extinct.[1][2]

Sykes thinks one of the options for humanity's survival is unisex reproduction by females: female eggs fertilised by the nuclear X chromosomes of another female and implanted using in vitro fertilisation methods. He also introduces the possibility of moving the SRY and associated genes responsible for maleness and male fertility to another chromosome, which he refers to as "the Adonis chromosome", engendering fertile males with an XX karyotype.

Reception

BBC News reported in 2012 that a US study in Nature suggests the genetic decay has all but ended and that "The conclusion from these comparative studies is that genetic decay has in recent history been minimal, with the human chromosome having lost no further genes in the last six million years, and only one in the last 25 million years."[3]

In a review for the Journal of Clinical Investigation, Kevin Jon Williams wrote that the book "desperately needs an editor’s scalpel — plus a dose of common sense."[4]

Publication history

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See also

References

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  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "Citation/CS1".

External links

Template:Future-book-stub Template:Genetics-book-stub

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