Ehlers-Danlos syndrome (EDS) and Hereditary Hemorrhagic Telangiectasia (HHT) are distinct genetic conditions and are not commonly found together as a pair in genetics. EDS primarily affects connective tissues, while HHT is a vascular disorder. Although both conditions can have overlapping symptoms, such as easy bruising, their underlying genetic causes are different. Co-occurrence of both syndromes in an individual is rare but can happen due to unrelated genetic factors.
Down's syndrome is a disorder caused by defective genes. It is most commonly caused by parents who are elderly at the time of birth.
Mutations in the COL11A1, COL11A2 and COL2A1 genes Found on wikipedia chromosome 1
Genes which are found on the chromosomes.
has 2 recessive genes
Zellweger syndrome is caused by mutations in any one of at least 12 genes ; mutations in the PEX1 gene are the most common cause. It is inherited in an autosomal recessive manner. There is no cure for Zellweger syndrome; treatment is generally symptomatic and supportive.
From the Down Syndrome Research Center of Stanford University:It is known for causes the disorder. It's the increased activity of the extra genes on chromosome 21. Unlike other disorders, where genes are mutated or missing, in Down syndrome there are just too many copies of particular genes. The task of identifying the genes that cause Down syndrome, and trying to shut off the activity of the extra genes, is in theory much simpler than trying to fix a mutated gene or trying to add one that is missing.See the Related Link to the Down Syndrome Research Center of Stanford University.
Genes are found on the DNA, which is located in the nucleus.
The genes that determines gender can be found in the Y chromosome.
They exist because all these genes have descended from the genes of common ancestors.
it's the duplication of the 21st chromasome
Down syndrome is a genetic condition that not only affects the brain but also affects physical appearance because of the genes affected by the disease. Sorry I don't know how exactly the genes are distorted. But they affect physical appearence.
The exact genes involved in Tourette syndrome are not fully understood, but it is believed to be a complex disorder with multiple genetic and environmental factors. Variations in several genes, especially those related to brain development and neurotransmitter function, are thought to contribute to the development of Tourette syndrome. There is no single gene or chromosome that is consistently mutated in all individuals with Tourette syndrome.