An x and a y or two x chromosomes The 48,xxxy syndrome represents a chromosomal anomaly of the aneuploidic type characterized by the presence of two extra x chromosomes in males The presence of one y chromosome with a functioning sry gene causes the expression of genes that determine maleness
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Because of this, xxxy syndrome only affects males.
48,xxxy syndrome is a sex chromosome disorder in boys and men that results from having two extra x chromosomes in each cell
People typically have 46 chromosomes in each cell, two of which are the sex chromosomes. 48,xxxy syndrome is a type of chromosome abnormality characterized by the presence of 2 extra x chromosomes in males It is sometimes referred to as a variant of klinefelter syndrome, but differs from klinefelter syndrome in many ways and is usually more severe. A diagnosis of 48,xxxy involves a special genetic test (commonly by blood after birth), typically either a karyotype or a microarray
These tests can be ordered by most medical providers and are available through most major labs. 48,xxxx (also known as tetrasomy x or tetra x) is a rare sex chromosome disorder that was first identified in the early 1960s Since that time, approximately 100 cases have been reported, although less than 50 are described in scientific literature. The xxxy syndrome is a sex chromosome that affects one in 17,000 boys
It can also be called 48, xxxy syndrome because such individual has 48 chromosomes instead of the normal 46, due to the extra two sex chromosomes.
Diagnosis of xxxy syndrome is typically made based on clinical findings followed by chromosomal analysis In some cases, the condition is discovered during investigations for infertility or delayed puberty There is no cure for xxxy syndrome, but early and ongoing treatment can significantly improve quality of life. Xxxy syndrome is a genetic disorder characterized by a sex chromosome aneuploidy, where males have two extra x chromosomes
Males typically have only two sex chromosomes, an x and a y.
