Trisomy

Trisomy is the presence in a cell of one extra chromosome instead of the usual (diploid) chromosome set. Trisomy causes a person to develop serious genetic diseases such as Down syndrome or Klinefelter syndrome.

Trisomy occurs due to an error during cell division, when a triple is formed instead of a pair of chromosomes. This leads to an imbalance of genes in the cell and the development of pathologies.

The most common trisomy:

1. Trisomy 21 pairs of chromosomes - Down syndrome.

2. Trisomy 18 - Edwards syndrome.

3. Trisomy 13 - Patau syndrome.

4. Trisomy X chromosome - Klinefelter syndrome in men.

Trisomy is diagnosed using cytogenetic analysis of the karyotype. Treatment is mainly symptomatic and supportive.

Trisomy is one of the most common human chromosomal diseases.

Trisomy is in cytology one of the most common types of human karyotypes (95% of all cells), expressed in the presence of three whole (added) and usually more than two short additional chromosomes in an individual. Trisomy carriers (individuals who have one extra chromosome instead of

Trisomy is the presence of an additional chromosome Trisomy occurs because the cell cannot be distributed Trisomy can develop in a person Or Quincke syndrome Kjellberg syndrome On the other hand, there is also a positive effect of this pathology - such as many moles