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When and who discovered Marshall syndrome?

Marshall syndrome was first described in 1971 by Dr. John Marshall and his colleagues. It is a rare genetic disorder characterized by various features, including distinctive facial traits, skeletal abnormalities, and hearing loss. The syndrome is caused by mutations in the B4GALT7 gene, which affects glycosylation processes in the body.


How prevalent is the klinefelter syndrome in the population?

About 1/1000 to 1/500 males have Klinefelter's syndrome.


What percentage of china's population own a car?

As of 2021, around 25% of China's population owns a car. This percentage has been steadily increasing over the years with the country's growing economy and middle-class population.


Why do people with Klinefelter's syndrome and Turner's syndrome still exist in the population despite their infertility?

People with Klinefelter's syndrome (XXY) and Turner's syndrome (XO) can still have children through assisted reproductive technologies like in vitro fertilization. Additionally, many individuals with these syndromes may not be aware of their infertility at a young age when they may still have the opportunity to have children. These genetic conditions are also not always inherited, so they can arise independently in a population.


What is the biggest down syndrome incidence by race?

Down syndrome occurs in people of all races; however, studies have shown that people of Caucasian descent have a higher incidence of Down syndrome compared to other races. This is likely due to differences in genetic makeup and population demographics.

Related Questions

What percentage of the Down syndrome population has atlantoaxial instability?

0-9 purcent


What percentage of the population is affected by Moebius syndrome?

Moebius syndrome is considered rare, with an estimated prevalence of 1 in 50,000 to 1 in 500,000 live births. This means that only a very small percentage of the general population is affected by this condition.


What percentage of the US population has Tourette's syndrome?

It's estimated that about 200,000 people in the US suffer from Tourette's syndrome in 2009, which would be about 6.5% of the population.


What percentage of the population is infected by Conn's syndrome?

Conn's syndrome affects only a small percentage of the population, estimated to be around 0.03% to 0.1%. It is a rare condition characterized by excess production of aldosterone hormone by the adrenal glands, leading to high blood pressure and other symptoms.


What is the population in marshall islands?

Marshall islands population is 63,174


What is the population of Marshall-Shadeland?

The population of Marshall-Shadeland is 6,951.


What is Marshall Aerospace's population?

The population of Marshall Aerospace is 1,800.


What is Sturminster Marshall's population?

The population of Sturminster Marshall is 1,895.


What is the population of Tullo Marshall Warren?

The population of Tullo Marshall Warren is 265.


When and who discovered Marshall syndrome?

Marshall syndrome was first described in 1971 by Dr. John Marshall and his colleagues. It is a rare genetic disorder characterized by various features, including distinctive facial traits, skeletal abnormalities, and hearing loss. The syndrome is caused by mutations in the B4GALT7 gene, which affects glycosylation processes in the body.


What percentage of the population suffers from Zellweger syndrome?

Zellweger syndrome is a rare genetic disorder with an estimated prevalence of 1 in 50,000 to 1 in 100,000 births. This translates to less than 0.001% of the population being affected by Zellweger syndrome.


What is the population density of Marshall Islands?

The population density of Marshall Islands is 342.5 people per square kilometer.