Causes of Klinefelter Syndrome
The additional sex chromosomes in men with Klinefelter syndrome results from nondisjunction during meiosis and may have a paternal (50 to 60 percent) or maternal (40 to 50 percent) origin. This contrasts with Down syndrome, which is caused predominantly by maternal nondisjunction and inheritance of the extra chromosome 21 from the mother.
I personally take cypionate testosterone, for the low testosterone my body produces.
It helps produce more testosterone, body hair, muscle, and reduces body fat.
It can not be successfully treated.. but testosterone supplements can make you live a normal life minus some features..etc..
You would have to take these shots, patchs, or gels to live the life as a normal adult/child for the rest of your life.
I personally take them as shots. which seems to work better than Gels or patchs. Gels you put on your shoulders/back, but they can come off when going into water/pools/ocean. Patchs leaves marks on your body, and you mainly have one on your thigh, back, or stomach. The shots are a quick deal they normally go for the buttocks. Because ... it's the biggest muscle and for appearance no one is checking it out :)
By definition Klinefelter's syndrome is genetically XXY. If there is any Y chromosome present, the baby will develop into a boy.
Even if a baby had XXXXY, it would still turn out as a boy.
Klinefelterâ??s syndrome is the result of additional X genetic material in males and typically causes low testosterone levels, gynecomastia, and infertility. Though there are no documented famous people with this syndrome, some believe that George Washington may have been afflicted.
First a testicular biopsy should be done to determine if he has any viable sperm. Some men with this condition do have some viable sperm in their testicles and if he does, in-vitro fertilization may be a possibility. However, if he does not have any viable sperm, then you would need to use donor sperm to become pregnant. Hope this helps.
Klinefelter syndrome can result from errors in cell division of sperm or egg cells. With this syndrome, each of the cells of the person affected will have an extra X chromosome.
Klinefelter = XXY
Turner's = X
Klinefelter syndrome is the extra X and can lead to somewhat of a female secondary sexual characteristic in men.
Turner's is the single X some women receive and can cause short stature and lack of secondary sexual characteristics.
non disjunction of sex chromosomes
Klinefelter Syndrome is a genetic condition that affects 1 in 500 to 1,000 male babies. That’s caused by an extra copy of the X chromosome in each cell. (You may recall that humans typically have two chromosomes: females have two X chromosomes, while boys have one X and one Y. For that reason, Klinefelter is sometimes called XXY Syndrome. That extra X causes a number of symptoms, most of which have to do with male sexual development (other symptoms may include learning disabilities, behavioral problems, speech disorders, and problems with balance and coordination). Boys with Klinefelter typically have smaller-than-normal testicles that produce less-than-normal amounts of testosterone. As a result, a Klinefelter boy who’s entering puberty may have little or on body or facial hair, undescended testicles, and sometimes breast development (called gynecomastia). That said, some men have few symptoms and only realize that they have Klinefelter’s when they have trouble impregnating their partner: About 95% of men with Klinefelter’s are infertile. You can get more information on Klinefelter’s here.
It is a condition in which human males have an extra X chromosome. It is inherited when the extra X chromosome is retained because of a nondisjunction event during meiosis I (gametogenesis).
The karyotype of a person with Down Syndrome differs from a normal karyotype because it contains a three chromosomes in the 21st slot, where there should only be a pair of two. That is why this is called Trisomy 21.
Fitness (in Darwinian terms).
No it is caused by the Non-Disjunction of sex Chromosomes. Males with Klinefelter's syndrome have an extra X chromosome.
It most commonly affects males who are born to women over the age of 35.
Klinefelter syndrome is most often diagnosed in adulthood using a karyotype, an analysis of the patient's chromosomes taken from a blood sample. Klinefelter syndrome may also be diagnosed during a woman's pregnancy. Doctors can look for the chromosome abnormality in cells taken from the amniotic fluid that surrounds the fetus (amniocentesis), or from the placenta (chorionic villus sampling (CVS)).
A child with Klinefelter syndrome does not usually have any prominent features. Any physical characteristics are subtle. They may have curved little fingers (clinodactyly), difiiculty straightening out the arms completely (radioulnar synostosis), an armspan that exceeds height, a depression in the chest (pectus excavatim), occasionally undescended testicles or hypospadias (urethra under the penis rather than at the tip), leg length greater than head to seat height. Children with xxy may have low muscke tone, and may have delays indevloping lnguage. Some appear to have mild autism.
Yes, Klinefelter's syndrome is due to the XXY genotype.
Here is a link discussing this condition. The simple answer is only in severe cases can the lifespan of the affected person be shortened.
hi my name is ken i want to know about klinefelter syndrome disease progession so i can do my power point in my class. oh yeah tell me easy answer because i am only 15 year old THANKS MAN As far as I'm aware, it doesn't "progress" as such as it's not a disease but a genetic condition. If you're that interested, look it up on Wikipedia. :)
It is not very likely that this Syndrome will be passed down because about 1 in every 500 to 800 males inherits this allele.
It is not possible for it to be passed down from parents because it is not a trait or a gene it is just a disorder that happens when the DNA is being copied or if there is some sort of damage done to the DNA but no it canot be passed down from one generation to another.
Well you don't "get" it like you get a common cold. You are born with it due to a genetic mutation on your sex chromosomes causing the XXY gene instead of XY, like in a non-Klinefelter, male.