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Down syndrome is a trisomy of the 21st chromosome as opposed to an allelic inheritance through the X chromosome. Trisomy is a somatic disorder caused
by improper division during gametogenesis (usually of the ovum) that results in 3 copies of the 21st chromosome in the egg once it is fertilized.
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∙ 12y ago
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The most common autosomal abnormality is seen is a person with?
Down syndrome
Is Edwards syndrome more common in certain populations?
The chance of having a baby with Edwards' syndrome increases with the mother's age.
Is waardenburg syndrome caused by a dominant or recessive allele?
Autosomal dominant allele
How do you get Morquio syndrome?
It is an autosomal recessive trait, which means that both of your parents must pass you the defective gene for you to get the disease.
What is the mode of inheritance for Edwards syndrome please help?
There is no mode of inheritance
Is Edwards syndrome autosomal or sex linked?
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What are the history of disease?
It is named after John H. Edwards, who first described the syndrome in 1960. It is the second most common autosomal trisomy, after Down Syndrome, that carries to term.
Is sickle cell anemia a sexlinked trait?
Nope! The disease is equally in both males and females. This means that it is autosomal.
Is angelman syndrome autosomal?
"Autosomal" means the syndrome or disorder of interest is pertaining to a chromosome that is not a sex chromosome, either X or Y. Angelman and Prader-Willi Syndrome are both caused by a deletion (or disruption of a gene) on chromosome 15, which is an autosomal chromosome and not a sex chromosome. Therefore, yes, Angelman syndrome is considered an autosomal syndrome.
Is Zellweger syndrome dominant or recessive?
Zellweger syndrome is autosomal recessive.
Can Edwards' syndrome be prevented?
Edwards' syndrome cannot be prevented
Is marfan syndrome automsomal dominant?
Yes, Marfan syndrome is autosomal dominant.
What is Edwards' syndrome?
Edwards' syndrome is caused by an extra copy of chromosome 18
Who discovered Edwards' Syndrome?
John Edwards
Is cri du chat syndrome autosomal?
Yes.Autosomal deletion syndrome affecting chromosome 5..
Is klinefelters syndrome autosomal or x- linked?
X-linked
What is the inheritance patteren for cat eye syndrome?
Autosomal Dominant
