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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]
Despite her work being on XXY syndrome, the XYY syndrome is instead sometimes called Jacobs syndrome: [6] After it had been incidentally discovered by Avery Sandberg in 1961, [7] the syndrome was also found in a chromosome survey of 315 men at a hospital for developmentally disabled, made by Jacobs and hence considered the first little research ...
Image credits: The Hollywood Reporter #12 R. Kelly. Former singer and record producer R. Kelly was sentenced to 20 years in prison in early 2023 for three charges of producing child sexual abuse ...
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.
Manuel Delgado Villegas was born in Seville, Spain on 25 January 1943, the son of José Delgado Martín.His mother died while giving birth to him, at the age of 24. [3] The itinerant nature of his father's job as a salesman of arrope (a fruit concentrate produced in southern Spain and used to make sweets), hence the nickname El Arropiero, resulted in Delgado and his sister Joaquina being sent ...
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 ...
Kevin Mazur/Getty Images for Roc Nation 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 ...