Question 1

what is chromosome 13?

Accepted Answer

Chromosome 13: Chromosome 13 has genes that can be associated w breast cancer, bladder cancer, Hirschsprung’s dz, Schizophrenia,  Wilson’ Dz, some forms of deafness, Retinoblastoma and other conditions. If this is not the info you were interested in then please clarify &amp; re-ask.

Question 2

why does chromosome 13 get an extra copy?

Accepted Answer

Noone knows: If you mean the birth defect of trisomy 13, noone really knows why that defect is able to survive until birth.Mccoy out!

Question 3

what happens if you are missing a sex chromosome?

Accepted Answer

Causes a syndrome: Or infertility. Lack of an x chromosome in a female fetus usually results in a miscarriage, howevr some survive till birth and have turner syndrome. Lack of an x chromosome in males is associated with infertility.

Question 4

whats worse. missing or extra chromosome material?

Accepted Answer

Good question.: Missing is generally worse, with the exception of turner syndrome when one instead of two x chromosomes is present.

Question 5

my new nephew has downs w/missing pages of chromosome number two. what does this mean?

Accepted Answer

Chromosome deletion: When parts of a chromosome are missing, it is referred to a deletion.  Here is a link with a list of possible conditions associated with Chromosome 2 deletion:

http://ghr.nlm.nih.gov/chromosome/2/show/Conditions

Question 6

what do you suggest if my new nephew has downs w/missing pages of chromosome number two?

Accepted Answer

Many things: I usually have them see cardiology &amp; genetics. They need to be hooked up with an early intervention program. They need to have CBC and thyroid studies followed yearly (increased chance of thyroid disease &amp; leukemia). He will need X-rays of his neck when he is older. Vision screens.

Forgot ... lots of love. Kids with Down's are lovable awesome kids.

Question 7

what are the chromosome defects affecting chromosome 10, 13 and trisomy 21?

Accepted Answer

Many: There are numerous disorders that can happen with abnormalities of chromosomes 10 and 13. Too many to list here. Trisomy 21 means the person has an extra chromosome 21 and this is more commonly known as Down's syndrome. There are many possible phenotypic findings with this disorder, again too many to list here including physical characteristics, heart , hearing, vision, skeletal, developmental....

Question 8

is marfan sydrome because of an extra or missing chromosome or other mutation?

Accepted Answer

Genetic disorder: Marfan's syndrome is a genetic disorder of connective tissue(ligaments and similar soft tissue) that is caused by a defective gene. It can be passed from generation to generation because it is " autosomal dominant "; meaning only one parent has to have the defective gene for it to be passed on.Pt's w/ marfan's tend to be tall w/ long fingers/ extremities and loose joints; many have heart(valve)abn.

Question 9

is there a cure for severe intellectual disability and for a missing chromosome.? i am curious i wanted to know

Accepted Answer

No magic fix: When there is a chromosome missing, it is missing in every cell in the body, including brain cells. The material in the chromosomes contain the library full of information on how the body is supposed to work.When some of this library s lost, bad things happen, like intellectual disability and birth defects. There is no magic med, though many people promote special diets and cures. None work.

Question 10

what are the complications with a premature (34 weeks) male newborn who is missing a chromosome?

Accepted Answer

Which one?: The answer to your question will likely vary depending on which chromosome has been deleted.

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Doctor answers about:

Missing chromosome 13

A member asked:

What is chromosome 13?

A member asked:

Why does chromosome 13 get an extra copy?

A member asked:

What happens if you are missing a sex chromosome?

A member asked:

Whats worse. missing or extra chromosome material?

A member asked:

My new nephew has downs w/missing pages of chromosome number two. what does this mean?

A member asked:

What do you suggest if my new nephew has downs w/missing pages of chromosome number two?

A member asked:

What are the chromosome defects affecting chromosome 10, 13 and trisomy 21?

A member asked:

Is marfan sydrome because of an extra or missing chromosome or other mutation?

A member asked:

Is there a cure for severe intellectual disability and for a missing chromosome.? i am curious i wanted to know

A member asked:

What are the complications with a premature (34 weeks) male newborn who is missing a chromosome?

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