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  2. XYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XYY_syndrome

    In the wake of the establishment of the normal number of human chromosomes, 47,XYY was the last of the common sex chromosome aneuploidies to be discovered, two years after the discoveries of 47,XXY, [27] 45,X [28] and 47,XXX [29] in 1959. Even the much less common 48,XXYY [30] had been discovered in 1960, a year before 47,XYY.

  3. Genetics of aggression - Wikipedia

    en.wikipedia.org/wiki/Genetics_of_aggression

    Results from several decades of long-term follow-up of scores of unselected XYY males identified in eight international newborn chromosome screening studies in the 1960s and 1970s have replaced pioneering but biased studies from the 1960s (that used only institutionalized XYY men), as the basis for current understanding of the XYY genotype and ...

  4. Patricia Jacobs - Wikipedia

    en.wikipedia.org/wiki/Patricia_Jacobs

    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 ...

  5. XYYY syndrome - Wikipedia

    en.wikipedia.org/wiki/XYYY_syndrome

    The presentation of XYYY syndrome is variable and at this time not entirely clear. As all known cases were diagnosed postnatally (after birth), and the similar XYY syndrome is known to have a milder phenotype in prenatally than postnatally diagnosed cases, it is suspected that many cases of XYYY syndrome may be mild or asymptomatic.

  6. Richard Speck - Wikipedia

    en.wikipedia.org/wiki/Richard_Speck

    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.

  7. Crime reconstruction - Wikipedia

    en.wikipedia.org/wiki/Crime_reconstruction

    Crime reconstruction or crime scene reconstruction is the forensic science discipline in which one gains "explicit knowledge of the series of events that surround the commission of a crime using deductive and inductive reasoning, physical evidence, scientific methods, and their interrelationships". [1]

  8. DNA evidence leads to suspect 28 years after deadly stabbing

    www.aol.com/dna-evidence-leads-suspect-28...

    In Smith's case, scientists used genome sequencing to build a DNA profile for the murder suspect, according to Othram Inc., a labratory that specializes in forensic genetic genealogy to assist law ...

  9. Investigative genetic genealogy - Wikipedia

    en.wikipedia.org/wiki/Investigative_genetic...

    Law enforcement agencies have leveraged the access to public databases by uploading crime-scene genealogy data and inferring relatives to potential suspects. [ 7 ] [ 8 ] [ 9 ] Family tree assembly and analysis of demographic identifiers is then carried out by genetic genealogy experts, either working directly for law enforcement agencies or ...