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Q: Can a normal male who has an elder brother with down syndrome be a carrier of down syndrome.What is the percentage that he will have a child with down syndrome if he marries a woman who is normal?
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What is the probability of a down syndrome carrier male and a non-carrier female producing non-carrier children?

50%


Are there carrier forms of xxx syndrome?

no there r no carrier forms for triple x syndrome. this is just a nondisjunction during meiosis of gametogenesis. this can happen with either spermatogenesis or ovariogenesis


How do you get barth syndrome?

Barth's Syndrome is not something you get from a virus or a bacteria. It is genetic, on the X chromozome. It means that a women is mostly only a carrier, and when a carrier woman marries a amn, 50% of their boys will have Barth's Syndrome and 50% of their girls will be carriers. All the other boys and girls will be healthy. Have good health, harhanegev@gmail.com


What is the probability of a Down syndrome woman and a non-carrier male producing non-carrier children?

I am unsure of the answer to this question, but I feel the need to remove the previous ridiculous answer stating that "women with down syndrome are sterile." They ARE indeed fertile. I am in search of the same information, and will be editing this post once I find the correct answer.


What is the probability of a Down syndrome woman and non-carrier male producing non-carrier children?

I am unsure of the answer to this question, but I feel the need to remove the previous ridiculous answer stating that "women with Down syndrome are sterile." They ARE indeed fertile. I am in search of the same information, and will be editing this post once I find the correct answer.


WHAT race does Marfan syndrome affect?

it affects all races and all ages -- While just about every human can be either a carrier or posses Marfan Syndrome itself, animals can be effected as well.


Can a person with Down syndrome have normal kids?

That depends. Men with Down syndrome have been shown to be sterile, while women with Down syndrome are capable of carrying a child, with 50% likelihood that the child will be born with Down syndrome.


Can Alport syndrome cause chronic renal failure?

Alport syndrome in most cases is caused by a defect in one or more genes located on the X chromosome. It is usually inherited from the mother, who is a normal carrier.


What does carrier mean in biology?

carrier--- if someone has part of a disease in their genetics but does not have the diseas themself eg. rets syndrome. It's also the person who is heterozygous for the trait, or disease. Ex: Mn, Jj, Kk, Ll, Tt, ect..


You are pregnant the father has hyper igm syndrome will the baby have it as well?

No, It is an X chromosome disease. That means that only the mother (if a carrier herself) can pass on the disease.


What is primary carrier?

A primary character is usually associated with downs syndrome knob jockeys who find making stupid answers in wiki answers funny. You got 4chan'd


Is there any benefit from being a carrier of Marfan Syndrome?

No, it is an abomination located on the 17th chromosome. IMO there should be a culling to remove it from the face of this planet. I have Marfan Syndrome and it's horrendous. I fear having children purely because i would hate to pass this mutation onto them.