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What is the least-common trisomy?
Trisomy 13 Trisomy 13, or Patau�s syndrome is the least common of the live-born trisomy disorders, with an incidence of 1 in 5000 to 1 in 2,000 live births, with affected males equal to affected females. 75% of trisomy 13 cases are due to maternal NDJ, 20% are due to a translocation, and 5% are due to mosaicism. The major midline dysmorphic features of trisomy 13 are due to a defect in the fusion of the midline prechordial mesoderm in the first three weeks of gestation. Trisomy 13 tends to present with more severe craniofacial and midline defects than are found in Trisomy 18 or 21. Trisomy 13 has the following clinical features: # Holoporsencephaly # Polydactly # Seizures # Deafness # Microcephaly # Midline Cleft lip # Midline Cleft palate # Abnormal ears # Sloping forehead # Omphalocele # Cardiac and renal anomalies # Mental retardation. Trisomy 13 is also confirmed by karyotype with FISH analysis. 44% of these patients die within 1 month, and > 70% die within one year. Severe mental retardation exists in all survivors as per (http://pedclerk.bsd.uchicago.edu/chromosomalabnormalities.html)
What are alternative names for Patau syndrome?
Patau's Syndrome Trisomy 13 Syndrome Trisomy D Syndrome Trisomie 13 Trisomee Trisome Trisomic Chromosomal Abnormalities, Chromosome Anomalies, Disorder Fetal Aneuploidy
What is the average life span of a skin cell?
The average life span of a skin cell is about 28 days.
Is trisomy 18 fatal?
Trisomy 18, also known as Edwards syndrome, is a genetic condition caused by an extra chromosome 18. It results in severe developmental delays and multiple physical abnormalities that often lead to serious health complications, with many affected individuals not surviving beyond the first year of life. The prognosis for individuals with trisomy 18 is generally poor, with most cases resulting in early mortality.
What is another name for trisomy-21, commonly known as Down syndrome?
Another name for trisomy-21, commonly known as Down syndrome, is trisomy 21.
What is a shepherd's life span?
A German Shepherd has a life span of 9 - 13 years.
What is the life span of a Canaan Dog?
The life span of a Canaan Dog is 12 - 13 years.
What is the life span of English Foxhounds?
The life span of English Foxhounds are 10 - 13 years.
Is trisomy 13 curable?
NO
What is life span of a Toy Fox Terrier?
The life span of a Toy Fox Terrier is 13 - 14 years.
What is the life span of a Tibetan Spaniel?
The life span of a Scottish Terrier is 11 to 13 years.
Greyhound life span?
10-13 years
What is the harbor Porpoise life span?
8-13 years
What is the presence of three of a particular chromosome?
The presence of three copies of a particular chromosome is known as trisomy. This genetic condition can lead to developmental abnormalities, such as Down syndrome which is caused by trisomy of chromosome 21.
What is a Chinese crested powder puff life span?
Both varieties of Chinese Crested Dogs have a life span of 13 - 15 years.
Which congenital heart defects occur in trisomy 13 trisomy 18 and down syndrome?
Congenital heart defects are common in trisomy 13 (Patau syndrome), trisomy 18 (Edwards syndrome), and Down syndrome (trisomy 21). In trisomy 13, defects often include ventricular septal defects and atrioventricular canal defects. Trisomy 18 is frequently associated with ventricular septal defects and patent ductus arteriosus. Down syndrome typically presents with atrioventricular septal defects and ventricular septal defects as the most prevalent heart abnormalities.
What is the life span of a Chesapeake Bay Retriever?
The life span of a Curly-Coated Retriever is 8 - 12 years.
