https://www.psychologytoday.com/us/blog/animals-and-us/201210/the-problem-incest
In short, the odds that a newborn child who is the product of brother-sister or father-daughter incest will suffer an early death, a severe birth defect, or some mental deficiently approaches 50

https://www.thetech.org/ask-a-geneticist/articles/2017/identifying-incest-dna/
So if a child is born from incest between siblings, that child would likely share more than 50% of their DNA with each parent. In the case of incest between a parent and a child, the child would share more than 50% of their DNA with their parent/grandparent, instead of the 25% expected between grandparent and grandchild.

https://geneticliteracyproject.org/2024/04/11/how-common-is-incest-rise-of-genetic-testing-reveals-disturbing-evidence/
The geneticist Jim Wilson, at the University of Edinburgh, was shocked by the frequency he found in the U.K. Biobank, an anonymized research database: One in 7,000 people, according to his

https://www.discovermagazine.com/health/genetic-testing-brings-up-a-surprising-topic-incest
In the other case, there was a known product of incest," she said. [Reuters] By law, doctors are required to report suspected child abuse. However, these laws were made before we had genetic testing technology, which is why the debate is now open. Beaudet is currently trying to gather medical professionals to create protocols for these cases.

https://www.firstpost.com/explainers/incest-cases-on-rise-in-the-us-dna-testing-family-13751377.html
The alarming rise of incest in the US. Research using popular genealogical tests has revealed that the prevalence of incest in America is significantly higher than previously believed, with a rate of one in 7,000. The study's researcher, Dr Jim Wilson of the University of Edinburgh, stated, "That's why, way more than I think many people

https://www.news.com.au/lifestyle/real-life/true-stories/how-a-brisbane-woman-in-her-40s-found-out-she-was-a-product-of-incest/news-story/eb730bafceef18dae17b6f62ef3c1f72
Lois was the product of incest. Her mother was raped by her father as a teenager; a crime he committed "many, many times". Baby Lois with her adopted family. Picture: Supplied/Insight SBS.

https://www.theatlantic.com/health/archive/2024/03/dna-tests-incest/677791/
She now knows of well over 1,000 additional cases of people born from incest, the significant majority between first-degree relatives, with the rest between second-degree relatives (half-siblings

https://www.history.com/news/10-little-known-facts-about-cleopatra
She was the product of incest. Cleopatra. Like many royal houses, members of the Ptolemaic dynasty often married within the family to preserve the purity of their bloodline. More than a dozen of

https://www.psychologytoday.com/au/blog/animals-and-us/201210/the-problem-incest
In short, the odds that a newborn child who is the product of brother-sister or father-daughter incest will suffer an early death, a severe birth defect, or some mental deficiently approaches 50

https://www.nbcnews.com/health/health-news/dna-tests-could-reveal-proof-incest-flna1C9466435
DNA tests are often used to prove abuse in incest cases. In Europe's most infamous incest crime, Austrian Josef Fritzl was found guilty in 2009 of locking his daughter in a dungeon for 24 years

https://pubmed.ncbi.nlm.nih.gov/6839266/
Classically, incest has been considered from both a psychological and sociological point of view to have harmful consequences. Genetic research, though by no means lacking controversy of its own, generally supports the notion that inbreeding has untoward genetic consequences. The psychodynamics of a

https://www.psychiatrictimes.com/view/ramifications-incest
Ramifications of Incest. The treatment of incest victims is often painful and difficult. With patience, the vast majority of those who have experienced incest can experience considerable improvement and enjoy an enhanced quality of life without succumbing to repeated victimization. Few subjects in psychiatry elicit more profound, visceral, and

https://www.psychologytoday.com/gb/blog/pop-psych/201401/what-makes-incest-morally-wrong
Now, in theory, incest should be an appealing strategy from a gene's eye perspective. This is due to the manner in which sexual reproduction works: by mating with a full sibling, your offspring

https://www.realclearscience.com/2024/03/19/dna_tests_are_uncovering_the_true_prevalence_of_incest_1019208.html
DNA Tests Are Uncovering the True Prevalence of Incest. When Steve Edsel was a boy, his adoptive parents kept a scrapbook of newspaper clippings in their bedroom closet. He would ask for it sometimes, poring over the headlines about his birth. Headlines like this: "Mother Deserts Son, Flees From Hospital," Winston-Salem Journal, December 30

https://www.scientificamerican.com/article/king-tut-dna/
New insight into the fragile pharaoh's family tree shows intrafamilial marriage, and royal lives cursed by malarial infections and bodily defects. By Katie Moisse. The Sciences. Despite his brief

https://pubmed.ncbi.nlm.nih.gov/3329511/
The literature on incest is reviewed. Current knowledge rests on a very insecure scientific basis and has been mainly derived from small, highly selected clinical series. Recently, some important epidemiological studies of general populations have been reported, but the results of prevalence are inc

https://www.reuters.com/article/idUSTRE71A0HC/
New gene-based tests that map out a person's entire genetic code can help explain why a child has birth defects or developmental delays, but they are also exposing some dark family secrets.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3136228/
Survivors of incest had an increased tendency to have rigid role expectations, to be non-cooperative, and to be less able to share responsibilities with their partner. ... He pointed out that all phenomena are a product of both the intentional act and the intended object, thus phenomena are in essence relational and context dependent. The

https://metro.co.uk/2014/10/20/tutankhamun-was-the-product-of-incest-dna-test-reveals-4912896/
Tutankhamun was the product of incest, DNA test reveals. Rob Waugh Published Oct 20, 2014, 12:43pm | Updated Dec 10, 2019, 5:04pm. ... in the mistaken belief that incest 'kept the blood pure'.

https://www.statista.com/statistics/1368830/us-key-facts-on-incest/
Key facts on incest in the United States 1980-2022. Between 1980 and 2022, around 15 percent of families in the United States reported to have had an event of incest in the family, while around 46

https://www.imdb.com/title/tt14786318/
10 Notable People Who Were the Product of Incest: With Simon Whistler. Promenent people from all regions, eras and walks of life were children of incest. But prominent doesn't mean successful. While some made contributions to society, others were a mess and quite an embarrassment to their families. Rightfully so you might say and Simon isn't shy about naming names.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4010601/
Background. Incest is defined as any sexual activity between close blood relatives, including step relatives and family members, who are forbidden by law to marry [].It covers a wide range from sexual abuse in which a person's body is violated through sexual behavior with penetration [2,3].It is a problem that can be seen in all social classes in developed and undeveloped societies.

https://www.dailymail.co.uk/health/article-13214259/DNA-tests-like-23AndMe-Ancestry-laying-bare-frightening-extent-incest-including-woman-discovers-ex-lover-BROTHER.html
Babies born of incest are prone to birth defects, heart problems, cystic fibrosis ... The tests, which run for about $100, can't say explicitly whether someone is the product of incest, but the

https://mashable.com/article/house-of-the-dragon-targaryen-family-tree-season-2
Alicent and Viserys had four children together, and we're already getting some classic Targaryen sibling incest with two of them. As is custom for the House of the Dragon, Aegon II married his

https://www.washingtonpost.com/dc-md-va/2024/03/14/police-child-sex-abuse-how-we-reported/
Jessica Contrera was reporting on child sex trafficking in 2021 when she started to notice the headlines. They appeared in her inbox a few times a month, the product of Google alerts she had set

https://www.usatoday.com/story/entertainment/tv/2024/06/12/house-of-the-dragon-season-2-review/74042600007/
HBO's very blond and very expensive "Game of Thrones" spinoff "House of the Dragon" returns after a two-year break for a second season of incest and infighting. So get ready for dragons, battles