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Just LOL if you don't have an extra Y chromosome

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47-XYY aka supermale syndrome

Once in every 500 male births, for example, the sex chromosome complement is XXY rather than XY, thus erring in the direction of femaleness. The resulting individual, called a Klinefelter male, is usually retarded, unusually tall and sterile.

Erring in the other direction, however, is the XYY complement resulting in the "supermale." He is also unusually tall and ... appears to be highly, perhaps too highly, sexually motivated.

We Legit lost the genetic lottery 

1.Average height is 6'3

Boys with XYY syndrome grow slightly faster than average in childhood, and their average height is 188cm (6 feet 3 inches). Puberty is normal and at the expected time. 

2. Large Skulls

Recent studies have drawn attention to the fact that some boys with XYY have a large head: one in 3, according to a recent study of 90 boys. Older boys were more likely to have a large head than younger boys (Ross 2011; Lalatta 2012; Bardsley 2013). A smaller study including 8 boys with XYY found that their brains were larger than boys with XY chromosomes (Bryant 2012).

3. Bigger Jaw and Larger teeth

Boys with XYY are likely to have larger teeth with longer roots than other boys. They can also have a forward-jutting lower jaw

4. Bigger Balls

A large recent review found that most boys regardless of age will have enlarged testes

5. More masculine brains

Learning strengths often mentioned by parents included mathematics, science, art, visual learning, practical subjects (woodwork, cookery) and, when interested, curiosity and memory. Slightly less common strengths include physical activities (but not necessarily team or contact sports), and spatial awareness. Weaknesses include, most often, literacy, including both reading and writing, motivation (very hard to persuade to do something), coping with pressure, and above all, concentration and staying on task.

6.Low inhibition

Their personalities show extreme instability and irresponsibility, and in their criminal behaviour these men do not appear to have considered any but the most immediate consequences of their actions. They have few constructive aims for the future and the plans they make are generally unrealistic. In their emotional responses they show very little depth of affection for others and their capacity for understanding is more limited than would be expected from their level of intelligence. They display an impaired awareness of their environment, which appears, at least partly, to account for their inability to respond appropriately to the ordinary requirements of life. Their greatest difficulty in social adjustment, however, arises from emotional instability, combined with an incapacity to tolerate the mildest frustration.

Temper tantrums, impulsiveness and aggressive behaviour were found in the early studies, and have been confirmed in larger, more recent studies in situations where boys were frustrated. 


7. Higher Testosterone and  criminality

Early reports of men in penal institutions led to a belief that raised testosterone levels in men with XYY leads to aggressive behaviour.

[font='Droid Sans', sans-serif]men with the XYY chromosome did not commit more violent crimes, they did commit more property crimes. [/font]
 
geneticists did find high percentages of XYY men in penal institutions 


[font=Balto, Helvetica, Arial, Nimbus Sans L, sans-serif]8.Intersted in Sports[/font]

The 2014 Unique survey showed that they listed physical activities including dog walking, weightlifting at the gym, rugby, football as free time activities.

9. Wider face

Recent studies have drawn attention to the fact that boys’ eyes may be set slightly further apart than for boys with XY chromosomes. The bridge of the nose may also be a little broad
 
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ColezRightFoot said:
Any examples op?

I can't find any specific examples.  It's only diagnosed less than 2% of the time.

It's not like Klinefelters (XXY) where it's obvious something is fucking wrong.
 
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I found two examples

1. His parents are 5'2" and 5'5".  Imagine getting amogged by your 11 year old son :giggle: 

DEC 29, 2005. My son, Jonathan is close to 6 feet, 187 lbs., on the wrestling team (7th grade), C- grades in math and science. Part time job: tutoring two elementary school children. Jonathan doesn't seem to need new glasses. Jonathan is enrolled in the Broadcasting class at his school. Jonathan is hooked on playstation games. C- grades are abig concern for his parents. Jonathan's big, strong hands have helped him to deal with "would-be" bullies.


2. These two are brothers.

The one on the right has XYY syndrome.  

 
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Apparently Victor Richards has XYY syndrome.  He AMOGGED most adult men when he was 15 years old.

[font=verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif]Victor Richards: Being termed a Freak of Nature is considered a compliment in my field, thank you. Well like I mentioned earlier I was going to explain why my body heals itself so quickly. There is a story when I was very young and in grade school, the teachers used to complain I was too hyper and aggressive, and my father being a cardiologist had me tested, probed and checked and turns out where the majority of men have a XY chromosome pattern I have a XYY pattern. [/font]

[font=verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif]You are looking, like WHAT, that means my body produces more testosterone than an average male. That translates to faster muscle growth and continual muscle growth. Hey its not what the doctor prescribed, its what god gave me, so I have made the most of it, that’s what an intelligent man would do. All too often we humans as a whole never fully utilize our natural gifts. However my whole point is, the sport of body building has taken advantage of what could be truly a respected sport worldwide. In reality it has demoralized great athletes.[/font]




[video=youtube]
[video=youtube]
[video=youtube]

Obviously he's on a shit ton of gear but that also goes for the vast majority of professional bodybuilders.
 

dat feel

PSL Hall of Fame
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The Rock confirmed XYY

That's why he looked 45 at 16

Also all shitty advicers confirmed klinefelter XXY betas
 
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dat feel said:
The Rock confirmed XYY

That's why he looked 45 at 16

Also all shitty advicers confirmed klinefelter XXY betas

Legit.  After finding out about this "disorder", I'm almost sure The Rock has it.



XYY syndrome is almost never diagnosed even though it occurs at roughly the same rate as Klinefelters.  Why should the parents think something is wrong with their child when he's strong, healthy, and athletic.
 

lltvyr

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Fragile X is pretty good also. Comes with a macropenis. But I guess XYY ones get it too.
 

springfield

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extra y chromosome makes you mentally retarded and prone to anti social behavior.
 
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springfield said:
extra y chromosome makes you mentally retarded and prone to anti social behavior.

Nah, their IQs are still well within the normal range.  This is part of the reason why XYY syndrome is only diagnosed 2.5% of the time.  

In contrast to the other common sex chromosome aneuploidies—47,XXX, 45,X (Turner syndrome), and 47,XXY (Klinefelter syndrome)—the average IQ scores of 47,XYY boys identified by newborn screening programs were not reduced compared to the general population.[11][12] In a summary of six prospective studies of 47,XYY boys identified by newborn screening programmes, twenty-eight 47,XYY boys had an average 100.76 verbal IQ, 108.79 performance IQ, and 105.00 full-scale IQ.[13] In a systematic review including two prospective studies of 47,XYY boys identified by newborn screening programs and one retrospective study of 47,XYY men identified by screening men over 184 cm (6'½") in height, forty-two 47,XYY boys and men had an average 99.5 verbal IQ and 106.4 performance IQ.[12][14][15][16]

In contrast, people with Klinefelter's have IQ scores that are an entire SD below the mean.

[font=Verdana, Arial, Helvetica, sans-serif]The effects on physical and cognitive development increase with the number of extra Xs, and each extra X is associated with an intelligence quotient (IQ) decrease of approximately 15–16 points, with language most affected, particularly expressive language skills.[/font]


[font=Verdana, Arial, Helvetica, sans-serif]http://www.ojrd.com/content/1/1/42[/font]
 
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Having an extra Y chromosome is like being put on steroids from a young age.  It's almost guaranteed to make you a slayer.
 
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[font=Arial, Helvetica, san-serif]Contrast the physical symptoms of XYY supermale syndrome with XXY klinefelters (KS).  Note that men with supermale syndrome have no problems fathering children.[/font]


[font=Arial, Helvetica, san-serif][size=medium][font=Arial, Helvetica, san-serif]Physical Symptoms[/font][/font][/size]
[font=Arial, Helvetica, san-serif]After age 5 years, when compared to typically developing boys, boys with KS may be slightly:[/font]

  • Taller
  • Fatter around the belly
  • Clumsier
  • Slower in developing motor skills, coordination, speed, and muscle strength
[font=Arial, Helvetica, san-serif]Puberty for boys with KS usually starts normally. But because their bodies make less testosterone than non-KS boys, their pubertal development may be disrupted or slow. In addition to being tall, KS boys may have:[/font]

  • Smaller testes and penis
  • Breast growth (about one-third of teens with KS have breast growth)
  • Less facial and body hair
  • Reduced muscle tone
  • Narrower shoulders and wider hips
  • Weaker bones, greater risk for bone fractures
  • Decreased sexual interest
  • Lower energy
  • Reduced sperm production
[font=Arial, Helvetica, san-serif]An adult male with KS may have these features:[/font]

  • Infertility: Nearly all men with KS are unable to father a biologically-related child without help from a fertility specialist.4
  • Small testes, with the possibility of testes shrinking slightly after the teen years5
  • Lower testosterone levels, which lead to less muscle, hair, and sexual interest and function
  • Breasts or breast growth (called gynecomastia, pronounced GUY-nuh-kow-mast-ee-uh).
[font=Arial, Helvetica, san-serif][font=Arial, Helvetica, san-serif]In some cases, breast growth can be permanent, and about 10% of XXY males need breast-reduction surgery.[/font][/font]
 
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[font=Open Sans', Verdana, Helvetica, 'Sans Serif]Learning strengths often mentioned by parents included mathematics, science, art, visual learning, practical subjects (woodwork, cookery) and, when interested, curiosity and memory. Slightly less common strengths include physical activities (but not necessarily team or contact sports), and spatial awareness. Weaknesses include, most often, literacy, including both reading and writing, motivation (very hard to persuade to do something), coping with pressure, and above all, concentration and staying on task.[/font]
me to a T. i've wanted to start a youtube channel and blog expressing my thoughts for years but haven't because i have a really hard time verbalizing things. i struggle with recollection of words TO NO END.
i'm all of these things honestly, except height. i'm 5'6.5" <-- look, i put .5 so you know i'm being honest (and coping).

thanks for the quality post op. i'm surprised they have this much information on XYY men.
 
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TheNextLachowski said:
me to a T. i've wanted to start a youtube channel and blog expressing my thoughts for years but haven't because i have a really hard time verbalizing things. i struggle with recollection of words TO NO END.
i'm all of these things honestly, except height. i'm 5'6.5" <-- look, i put .5 so you know i'm being honest (and coping).

thanks for the quality post op. i'm surprised they have this much information on XYY men.

To be honest this info is a bit hard to find.  There's literally 100 times more info on klinefelters.

That being said, I just found a study which found that 5% of the inmate population has the XYY karotype even though they make up 0.1 % of the population.

Out of 84 criminals studied, 80 (95.23%) were found to show normal XY cytogenetic complement and 4 (4.76%) cases were found to show abnormal XYY cytogenetic complement

That's fucking nuts.  The average XYY male's life probably looks like it's straight out of a grand theft auto game.

[video=youtube]
 
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