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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]
Manuel Delgado Villegas: known as El Arropiero [498] ("The Arrope Trader"), wandering criminal with XYY syndrome that confessed to 48 murders in Spain, France and Italy, including his girlfriend; considered guilty of seven and interned in a mental institution until his death in 1998.
His best-known works were his novels featuring semi-reformed cat burglar William 'Spider' Scott, an XYY man, whose extra 'Y' chromosome (in the erroneous-but-conventional wisdom of the time) gave him a pre-disposition towards criminality. After attempting to 'go straight', he finds his talents are in demand not only from the criminal underworld ...
In December, an unnamed plaintiff filed an amended complaint accusing Shawn Carter, better known as Jay-Z, and Combs of drugging and raping her in 2000, when she was 13 years old.. The incident ...
The XYY Man began in 1970 as a series of novels by Kenneth Royce, featuring the character of William "Spider" Scott, a one-time cat-burglar who leaves prison aiming to go straight. [1] Adapted for television, The XYY Man was broadcast on Granada Television in the United Kingdom in 1976 and 1977.
Initially, another man was wrongfully convicted for this crime, but in 1982, Charles Ray Hatcher, a notorious serial killer, confessed to Christgen's murder while trying to check himself into a ...
XYYY syndrome, also known as 48,XYYY, is a chromosomal disorder in which a male has two extra copies of the Y chromosome. The syndrome is exceptionally rare, with only twelve recorded cases. The presentation of the syndrome is heterogeneous, but appears to be more severe than its counterpart XYY syndrome.