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Klinefelter syndrome has different symptoms depending on age.
In this syndrome what it does is that it gives you an extra X chromosome in sex chromosomes. In Klinefelters they can have XXY, XXXY or XXXXY. When they are babies

Weak muscles

Slow motor development — taking longer than average to sit up, crawl and walk

in Boys/Teenagers

Small, firm testicles

Small penis

Enlarged breast tissue (gynecomastia)

Weak bones

Low energy levels

Tendency to be shy and sensitive

Problems with reading, writing, spelling or math

Men

Low sperm count or no sperm

Small testicles and penis

Low sex drive

Increased belly fat

There are also complications that can occur when you have this syndrome complications can be as bad as getting a cancer.

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In some states, screening programs for Klinefelter syndrome are already in place. The screenings for Klinefelter syndrome will increase the number of patients seen by urologists in the near future. If the development of the syndrome is closely monitored then future prevents or cures will arise.

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Klinefelter syndrome. (n.d.). Retrieved May 10, 2017, from https://rarediseases.info.nih.gov/diseases/8705/klinefelter-syndrome

Klinefelter syndrome. (2016, October 04). Retrieved May 10, 2017, from http://www.mayoclinic.org/diseases-conditions/klinefelter-syndrome/symptoms-causes/dxc-20233187

Klinefelter syndrome - Genetics Home Reference. (n.d.). Retrieved May 13, 2017, from https://ghr.nlm.nih.gov/condition/klinefelter-syndrome

Klinefelter’s syndrome, a chromosomal condition affecting males | Andrology Australia. (2015, April 29). Retrieved from https://www.andrologyaustralia.org/your-health/klinefelters-syndrome/

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Klinefelter syndrome is a genetic mutation that happens in the sec chromosomes. It is a syndrome that occurs randomly. The cause of this is because it is a nondisjunction, meaning it happens when there is n error in the cell division process that changes the number of chromosomes. This syndrome is a sex-linked disease that gives an extra X chromosome to the XY chromosomes. Klinefelter is neither a dominant or recessive trait, since it occurs in a nondisjunction rather then inheritance in other genetic chromosomes that it shares with it's parents.

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If an individual is born with the condition there is no possible way to change that. The person should start with testosterone replacement therapy. This will help someone with Klinefelter's syndrome develop larger muscles, a deeper voice,  growth of the penis, and facial and body hair. It can also help improve bone density and reduce any breast growth.

The next step would be physical therapy, occupational therapy, and speech therapy.  Since the guys develop slightly different from other guys they are more likely to have low self-confidence and shyness, which can make their lives harder.  A counselor and therapists are also another option.

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1. The cost of testosterone replacement therapy can be up to $300 or $400 per month.
2. The average cost may total up to $75 per hour plus an initial evaluation charge of around $100.
3. There is no known method of prevention of Klinefelter syndrome because the condition is caused by a random genetic mutation.
4. Klinefelter’s syndrome is the most common chromosomal disorder in men, affecting about 1 in 650 men.

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Klinefelter syndrome is a chromosomal  condition that affects male physical and cognitive development. Meaning that they'll have an abnormal size penis, also they will not produce as much testosterone as a regular boy/man. Statistics estimated that 1 in every 500 to 1000 newborn males have Klinefelter syndrome. This syndrome is actually one of the most common Chromosomal disorders. But varities of Klinefelter are much more rare happening from 1 to 50,000 to 85,000 newborns.

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The first to describe Klinefelter syndrome by its combination of features was Dr. Harry Klinefelter in 1942. The syndrome has become uncommon because many men live their lives without suspecting that they have an extra chromosome. Because of this experts prefer to describe males with an extra chromosome as "XXY males".

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The life expectancy of an individual with Klinefelter's syndrome live to nearly the same age as healthy people. However, the individual's life span is rarely reduced by five years.

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Klinefelter's syndrome can be diagnosed by hormone testing and chromosome analysis. To confirm the diagnosis, the doctor will then preform a chromosome analysis. To do this a sample of blood is sent to  a lab to examine the shape and number of chromosomes present. A  small number of males are diagnosed with Klinefelter's syndrome before birth. In order to properly diagnose the unborn child a procedure is necessary.

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Yelitza Accius
Jacque Beckford
Period 4
5/10/2017