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Nine of the patients, ranging from 5 ft 7 in (1.70 m) to 6 ft 2 in (1.88 m) height, were found to have an extra Y chromosome, the XYY syndrome. [20] [21] [22] Jacobs hypothesized that men with XYY syndrome are more prone to aggressive and violent behavior than males with the normal XY karyotype, but the idea was later shown to be incorrect.
XYY syndrome, also known as Jacobs syndrome, is an aneuploid genetic condition in which a male has an extra Y chromosome. [1] There are usually few symptoms. [2] These may include being taller than average and an increased risk of learning disabilities. [1] [2] The person is generally otherwise normal, including typical rates of fertility. [1]
Diagnosed with XYY syndrome and interned in a mental institution until his death in 1998. [283] Ershad Sikder Bangladesh: 1991–1999 7 43+ Career criminal and corrupt politician responsible for numerous torture murders in the 1990s; convicted on seven counts and executed 2004. [284] Diego Alexánder Ruiz Restrepo Chile: 2018–2020 7 27
Richard Ramirez, the serial killer who was sentenced to death following his heinous crimes in California, died while on death row in 2013. He was 53.
Bobby Joe Long was born on October 14, 1953, in Kenova, West Virginia, to Joe and Louetta Long. [3] Long was born with an extra X chromosome, also known as 47,XXY, a specific variant of Klinefelter syndrome.
The crime scene was one of the largest in American history, and though police had initial suspects, the killer, deemed the West Mesa Bone Collector, remains at large. Related: The 20 Safest Big ...
Edmund Emil Kemper III (born December 18, 1948) is an American serial killer convicted of murdering seven women and one girl, between May 1972 and April 1973. Years earlier, at the age of 15, Kemper had murdered his paternal grandparents.
If you're a fan of quirky art with a touch of humor, you’ve probably seen Anna Medyanik's unique creations popping up online. Her drawings take well-known artworks and famous characters, but ...