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Down syndrome is caused by a third copy on chromosome 21 and is present at conception or shortly after. It is mostly a random (and relatively common) occurrence, unless it is of the translocation type which is rare and genetic.
What else can I help you with?
Lesh-nyhan syndrome how does it inherited?
Lesh-Nyhan syndrome is inherited as a sex-linked recessive disorder.
I what conditions is caused by a sex-linked gene klinefelters syndrome down syndrome muscular dystrophy?
Klinefelters is sex chromosome trisomy. Down Syndrome is trisomy. One of the most common forms of MD is sex-linked and affects boys more frequently than it does girls.
What sex link is a recessive disorder?
Muscular dystrophy is a sex-linked recessive disorder.
Is there a bigger chance for boys to have down syndrome?
No, down syndrome is not a sex linked trait therefore neither gender has a highe risk
How do you know if a trait is sex linked dominant or sex linked recessive?
A trait is sex-linked dominant if it appears in every generation and affects both males and females. It is sex-linked recessive if it skips generations, more common in males, and passed from carrier females to affected males. Mendelian inheritance patterns can help determine if a trait is sex-linked dominant or sex-linked recessive.
Is Diabetes Cleft lip Palate autosomal dominant Autosomal recessive sex-linked abnormality of chromosomes or multifactorial?
Sex-linked and Recessive
Is Tourette's syndrome sex linked?
No, Tourette's syndrome is not sex-linked. It can be passed on from anyone, and anyone can receive the disease.
Is muscluar dystrophy sex-linked?
Yes, it is X linked recessive.
Is Turner Syndrome sex linked?
No, Tourette's syndrome is not sex-linked. It can be passed on from anyone, and anyone can receive the disease.
Is marfan's syndrome sex linked?
Marfan syndrome is not sex linked. It is autosomal dominant and found equally in all genders and ethnicities.
Who is Rudolf Lesch?
He was one of the men who discovered and researched the Lesch-Nyhan Syndrome. The Lesch-Nyhan syndrome is a syndrome inherited as a sex-linked recessive disorder. This syndrome causes you to bite your lips and fingers. So basically it causes you to start biting yourself.
How does a person inherit hemophilia and is it dominant or recessive?
It is a sex-linked recessive trait inherited from the mother.
