Question: Can Klinefelter Syndrome Be Passed Onto Offspring?

Which parent is responsible for Klinefelter’s syndrome?

The mother is responsible for passing on one X chromosome to her child and the father may provide another X chromosome for a daughter or a Y chromosome for a son.

A boy born with Klinefelter syndrome has an extra X chromosome that is believed to be caused by a random error..

What is the life expectancy of someone with 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.

What is the risk for inheritance of Klinefelter syndrome?

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 age is Klinefelter syndrome diagnosed?

Diagnosis frequently occurs in adulthood; however about 75% of sex chromosome aneuploidies are never diagnosed. For suspected 47,XXY males, common indicators for karyotype analysis on peripheral blood are hypogonadism and infertility.

What kind of medical assistance is needed for Klinefelter syndrome?

If you or your son is diagnosed with Klinefelter syndrome, your health care team may include a doctor who specializes in diagnosing and treating disorders involving the body’s glands and hormones (endocrinologist), a speech therapist, a pediatrician, a physical therapist, a genetic counselor, a reproductive medicine or …

Can Klinefelter syndrome be inherited?

Klinefelter syndrome is not directly inherited – the additional X chromosome occurs as a result of either the mother’s egg or the father’s sperm having the extra X chromosome (an equal chance of this happening in either), so after conception the chromosome pattern is XXY rather than XY.

Does Klinefelter syndrome run in families?

Klinefelter syndrome isn’t passed down through families like some genetic diseases. Instead, it happens randomly from an error in cell division when a parent’s reproductive cells are being formed.

What does a person with Klinefelter syndrome look like?

Longer legs, shorter torso and broader hips compared with other boys. Absent, delayed or incomplete puberty. After puberty, less muscle and less facial and body hair compared with other teens. Small, firm testicles.

What is super male syndrome?

XYY syndrome is a rare chromosomal disorder that affects males. It is caused by the presence of an extra Y chromosome. Males normally have one X and one Y chromosome. However, individuals with this syndrome have one X and two Y chromosomes. Affected individuals are usually very tall.

Why are Klinefelter males tall?

From early school age, boys with Klinefelter’s syndrome tend to be taller (increased leg length) because testosterone normally stops boys growing after puberty. This increase in height is maintained throughout life. Patients with Klinefelter’s syndrome may have reduced coordination compared with other boys.

What is another name for Klinefelter syndrome?

Klinefelter syndrome (KS), also known as 47,XXY is a syndrome where a male has an additional copy of the X chromosome. The primary features are infertility and small poorly functioning testicles. Often, symptoms are subtle and subjects do not realize they are affected.

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.

Is Klinefelter syndrome dominant or recessive?

FGF8) account for only 25%-35% of cases. Female individuals with an autosomal dominant or recessive form can also be affected, whereas Klinefelter syndrome occurs only in male patients.

Who is most likely to get Klinefelter syndrome?

Klinefelter syndrome results when a boy is born with at least 1 extra X chromosome. This is written as XXY. 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 more common in one ethnicity?

About 3% of the infertile male population have Klinefelter syndrome. The condition appears to affect all racial and ethnic groups equally.

Does Klinefelter syndrome cause mental retardation?

Klinefelter syndrome (KS) has not typically been associated with mental retardation (MR), however, in recent years a growing body of evidence suggested that KS boys often experience language deficits and academic difficulties.