Treating trisomy 8 mosaicism There is no cure for T8mS, but some symptoms of the condition may be treated. Symptoms with no associated health problems, such as facial deformities, may be difficult to treat and may require surgery. In some cases, heart surgery is also recommended.Click to see full answer. Similarly, what causes trisomy 8?Most cases of mosaic trisomy 8 occur due to a random event during the formation of the reproductive cells (egg and sperm) or after fertilization has taken place. An error in cell division (called nondisjunction ) may cause some eggs or sperm to have an abnormal number of chromosomes .Similarly, which chromosomal Trisomy can humans survive? Human disorders due to chromosome alterations in autosomes (Chromosomes 1-22). There only 3 trisomies that result in a baby that can survive for a time after birth; the others are too devastating and the baby usually dies in utero. A. Down syndrome (trisomy 21): The result of an extra copy of chromosome 21. Accordingly, what is the 8th chromosome responsible for? Chromosome 8 is one of the 23 pairs of chromosomes in humans. Chromosome 8 spans about 145 million base pairs (the building material of DNA) and represents between 4.5 and 5.0% of the total DNA in cells. About 8% of its genes are involved in brain development and function, and about 16% are involved in cancer.Can chromosomal abnormalities be corrected?In many cases, there is no treatment or cure for chromosomal abnormalities. However, genetic counseling, occupational therapy, physical therapy and medicines may be recommended.