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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.
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.
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.
In the United States, CSI: Crime Scene Investigation debuted at #3 on the NPD Group's computer game sales rankings for the week ending April 5, 2003. [16] The title remain in the weekly top 10 through April 26, [17] [18] [19] and became the country's seventh-best-selling computer game of April overall, with an average retail price of $30. [20]
Decades of research have demonstrated that both genetic and environmental factors play a role in a variety of behaviors in humans and animals (e.g. Grigorenko & Sternberg, 2003). The genetic basis of aggression, however, remains poorly understood. Aggression is a multi-dimensional concept, but it can be generally defined as behavior that ...
Pages in category "CSI: Crime Scene Investigation video games" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes.
CSI: Deadly Intent is a computer game based on the CSI: Crime Scene Investigation television series.It is the seventh CSI game released, including CSI: Miami and CSI: NY.It was released for Microsoft Windows on October 20, 2009, [1] and for Xbox 360, Nintendo DS and Wii on October 27, 2009.
The stylus can be used to scan the crime scene and the color of the cursor will change to indicate that the player has found an important object. Collecting evidence requires the player to pick up the piece of evidence and put it in a bucket of solution, and pressing a button when a meter appears to try to get the object to stay in the solution.