A metafemale is a woman who has an extra chromosome. It is a condition that is commonly referred to as Triple X Syndrome and it is thought to affect around 1 in every 1000 women. In 2007 it was stated that between five and ten girls with Triple X Syndrome are born in the United States each day on average. Triple X Syndrome results during division of a parent's reproductive cells.
The extent to which an individual is affected by the condition will depend on the ratio of abnormal XXX body cells she has in relation to the normal XX body cells. In some cases all cells in a woman's body will suffer from the irregularity. In other cases, however, a mosaic form occurs where only some cells are XXX while others are XX. These cases are called 46,XX/47,XXX mosaics.
Unlike other chromosome conditions such as Down syndrome, there is usually no obvious or noticeable difference to the naked eye between women with triple X and the rest of the female population.
In most cases there will be no unusual physical features or medical problems resulting from Triple X Syndrome. This is because in all female cells there is only one active X chromosome at any one time. However there are rare cases where Triple X Syndrome can cause problems such as:
- Tall stature
- Behavioral problems
- Clumsiness and poor co-ordination
- Wide-set eyes
- Reduced muscle tone
- Ovarian failure
There is a comprehensive list of possible (but rare) symptoms of Triple X Syndrome at www.wrongdiagnosis.com/symbol/47_xxx_syndrome/symptoms.htm#s
The extent to which an individual is affected by the condition will depend on the ratio of abnormal XXX body cells she has in relation to the normal XX body cells. In some cases all cells in a woman's body will suffer from the irregularity. In other cases, however, a mosaic form occurs where only some cells are XXX while others are XX. These cases are called 46,XX/47,XXX mosaics.
Unlike other chromosome conditions such as Down syndrome, there is usually no obvious or noticeable difference to the naked eye between women with triple X and the rest of the female population.
In most cases there will be no unusual physical features or medical problems resulting from Triple X Syndrome. This is because in all female cells there is only one active X chromosome at any one time. However there are rare cases where Triple X Syndrome can cause problems such as:
- Tall stature
- Behavioral problems
- Clumsiness and poor co-ordination
- Wide-set eyes
- Reduced muscle tone
- Ovarian failure
There is a comprehensive list of possible (but rare) symptoms of Triple X Syndrome at www.wrongdiagnosis.com/symbol/47_xxx_syndrome/symptoms.htm#s