Quick Answer: What Race Is Affected By Klinefelter Syndrome?

CAN XXY have babies?

However, problems with their testicles prevent them from making enough normal sperm to father children.

The vast majority of men with Klinefelter syndrome are infertile and can’t father a child the usual way.

Options for becoming natural parents are limited, but fertility researchers are working on new treatments..

What does a person with Klinefelter syndrome look like?

Boys with Klinefelter syndrome might have some or all of these physical signs: a taller, less muscular body than other boys their age. broader hips and longer legs and arms. larger breasts (gynecomastia)

Which genotype causes Klinefelter syndrome?

Males have an X and a Y sex chromosome (XY). Klinefelter syndrome can be caused by: One extra copy of the X chromosome in each cell (XXY), the most common cause.

Can a girl have Klinefelter’s syndrome?

Klinefelter syndrome (47,XXY) results from an additional X chromosome on an XY background; therefore, this condition affects only males.

What is the life expectancy of Klinefelter syndrome?

According to research, Klinefelter syndrome can shorten your life expectancy up to two years. However, you can still live a long, full life with this condition. The earlier you get treatment, the better your outlook will be.

What age is Klinefelter syndrome diagnosed?

Klinefelter syndrome is often undiagnosed in young males. Diagnosis frequently occurs in adulthood; however about 75% of sex chromosome aneuploidies are never diagnosed.

How do you get tested for Klinefelter syndrome?

Blood or urine samples can reveal abnormal hormone levels that are a sign of Klinefelter syndrome. Chromosome analysis. Also called karyotype analysis, this test is used to confirm a diagnosis of Klinefelter syndrome. A blood sample is sent to the lab to check the shape and number of chromosomes.

Who is most likely to get Klinefelter syndrome?

Klinefelter syndrome occurs in about 1 out of 500 to 1,000 baby boys. Women who get pregnant after age 35 are slightly more likely to have a boy with this syndrome than younger women.

Is Klinefelter syndrome male or female?

Boys and men with Klinefelter syndrome are still genetically male, and often will not realise they have this extra chromosome, but occasionally it can cause problems that may require treatment. Klinefelter syndrome affects around 1 in every 660 males.

What is XXY gender?

Klinefelter syndrome, also known as the XXY condition, is a term used to describe males who have an extra X chromosome in most of their cells. Instead of having the usual XY chromosome pattern that most males have, these men have an XXY pattern.

What is the phenotype of Klinefelter syndrome?

Klinefelter syndrome (KS) (47,XXY) occurs in ∼1 in 650 males, and is associated with a physical phenotype that can include tall stature, hypogonadism, and fertility problems.

What is the genotype of a man with Klinefelter syndrome?

In 1959, these men with Klinefelter syndrome (KS) were discovered to have an extra X chromosome (genotype XXY) instead of the usual male sex complement (genotype XY).

Are XXY males infertile?

Main Points. Klinefelter syndrome (KS) is the most common chromosomal disorder in men and is associated with hypergonadotropic hypogonadism and infertility. Early hormonal therapy is recommended for patients with KS to assure normal puberty and prevent long-term consequences of hypogonadism.

What do all human males inherit from their mother?

Males typically have only one X chromosome, which they inherit from their mother. (As mentioned above, males inherit a Y chromosome from their father.)

What is the quality of life with Klinefelter syndrome?

A Danish survey report, by Skakkebæk et al, indicated that persons with Klinefelter syndrome tend to have reduced mental and physical quality of life, caused directly by Klinefelter syndrome and indirectly by factors that, compared with controls, include lower levels of income, physical activity, and sexual function.

Can Klinefelter syndrome be passed onto offspring?

Klinefelter syndrome is not inherited; the addition of an extra X chromosome occurs during the formation of reproductive cells (eggs or sperm) in one of an affected person’s parents.

What is the most common treatment for Klinefelter syndrome?

For example, physical therapy can help with muscle tone, while a speech and language therapist may be able to address speech issues. Behavioral and family therapy have both been shown to help people with Klinefelter syndrome and can help manage depression and/or anxiety, which are common.