Genetics Articles A-Z
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The cause of Marfan syndrome is a defect in the fibrillin-1 gene. As this eMedTV article explains, this defect can be inherited, or it can occur spontaneously. This portion of the Web site discusses the causes of Marfan syndrome in detail.
Children With Klinefelter Syndrome
As this eMedTV page explains, children with Klinefelter syndrome are similar to other children, except they usually have difficulties in language acquisition and development. This page provides tips for parents of children with this condition.
Diagnosing Klinefelter Syndrome
Doctors may use blood tests or prenatal testing when making a diagnosis of Klinefelter syndrome. As this eMedTV article explains, diagnosing Klinefelter syndrome can be difficult, because symptoms are not always apparent.
A diagnosis of Turner syndrome is made with certain blood tests and is often made during prenatal testing. This eMedTV resource explains how a diagnosis of Turner syndrome is made, including a description of a special blood test called a karyotype.
Discussing Klinefelter Syndrome
As this eMedTV article explains, discussing Klinefelter syndrome with your child involves making several decisions beforehand -- when to tell him, how much to tell him, etc. This page offers tips on discussing Klinefelter syndrome.
Genetic Cause of Klinefelter Syndrome
This part of the eMedTV library explains that the genetic cause of Klinefelter syndrome is an extra X chromosome, which is one of the chromosomes that affects sexual development. This page discusses the genetic cause of Klinefelter syndrome in detail.
