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A 40-year-old member asked:

is methemoglobinemia a chromosomal disorder or a gene disorder?

1 doctor answer1 doctor weighed in
Dr. Richard Roberts
Pediatrics 46 years experience
Acquired and genetic: Your ethnicity wouldn't include Yakutsk people of Siberia? methemoglobin, like hemoglobin, acquires oxygen, but whereas hemoglobin will let go of it for use in our tissues, methemoglobin won't let go. Not a good situation. Some make methemoglobin when exposed to some chemicals like benzocaine, or nitrites. There are 2 inherited forms. http://www.nlm.nih.gov/medlineplus/ency/article/000562.htm

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A 29-year-old member asked:

Should I get genetic counseling?

2 doctor answers3 doctors weighed in
Dr. Serena Chen
Fertility Medicine 33 years experience
Yes: More and more genetic information is available every day. For people who are trying to conceive, genetic counseling can help you have a healthier pregnancy by making you aware of possible risks and recommending appropriate genetic tests. These days, it is possible to prevent transmission of genetic mutations and disease via pgd: preimplantation genetic diagnosis. More info at www.Sbivf.Com.
A 21-year-old member asked:

Is encephalitis genetic?

2 doctor answers7 doctors weighed in
Dr. Steven Bowers
Internal Medicine 33 years experience
No: Encephalitis is an inflammatory process involving the brain that is usually caused by infection, either viral or bacterial.
A 21-year-old member asked:

If a person is diagnosed with primary dystonia but there is no family history, does that mean its not genetic?

2 doctor answers5 doctors weighed in
Dr. Danielle Jones
Dr. Danielle Jonesanswered
Obstetrics and Gynecology 8 years experience
No: Typically the word "primary" in reference to dystonias is used to talk about genetically-associated dystonias. Not having a known family history of the disease does not necessarily mean it is not genetic. Some of the dystonias that are genetic are passed down through carriers which can make them relatively rare, even among families of carriers.
A 45-year-old member asked:

Is methemoglobinemia a chromosomal or a gene disorder?

1 doctor answer1 doctor weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
Abnormal hemoglobin: Methhemoglobin is an abnormal form of hemoglobin, usually due to oxidative damage. Some inherited forms of hemoglobins are more susceptible to such damage and could be said to be due to gene disorder.
A 45-year-old member asked:

What's the difference between fraternal and identical twins genes?

1 doctor answer1 doctor weighed in
Dr. Nikolaos Zacharias
Maternal-Fetal Medicine 26 years experience
Different, same.: Fraternal (dizygotic) twins share 50% of their genes, just like any other siblings. Identical (monozygotic) twins typically have the same 100% dna profile, as if clones of one another.

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Last updated Aug 16, 2015

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