what type of genetic disorder is the duchenne muscular dystrophy?

Question

What sort of disorder is duchenne muscular dystrophy?

Answer 1

"X-Linked recessive": This means that the problem causing this disease is carried on the x chromosome. Women have 2 of these, men just one. If a boy has an x chromosome that has this genetic defect, there is no other dna to "cover" this up and that boy will have the disease. Women have 2 copies of dna, and only can be carriers. Mothers can then pass this problem on to their sons, however.

Answer 2

No: If you and your partner carry the gene for sickle cell disease then there is a 25% chance that the baby will have the disease.

Answer 3

Not necessarily: If you and your partner both have sickle cell trait, there is a 25% chance your child will be normal (not have sickle cell trait or anemia), a 50% chance they will have sickle cell trait (just like you and your partner), and a 25% chance they will have sickle cell disease. Prenatal diagnosis is available early in pregnancy that will tell you what your child has.

Answer 4

Several: The most common ones are chromosomal problems like down's syndrome. The chances a woman will have a chromosomally abnormal baby go up with age. Whether you do the genetic tests or not depends on whether you want this information or not.

Answer 5

Depends, hundreds: This depends on how far you are willing to go to get the information. The best information is gained by obtaining fetal cells by sticking a needle into the womb & drawing them off for study. Chromosome studies and enzyme studies can be done. If you are looking for a specific problem the tests can be arranged in specialty labs. There is no one test that would catch them all.

Answer 6

No: Unfortunately having a normal serum screen does not mean that a fetus has no genetic abnormalities. Even genetic amniocentesis will not test for all conditions a baby might have at birth. These tests combined with an expert ultrasound around 18-22 weeks can help rule out congenital anomalies and genetic disorders. But testing can't tell parents with 100% certainty if their child will be normal.

Answer 7

Most likely: Genetic diseases a very rare but no testing is 100 percent accurate so chances of being without anomaly are good, but not absolute.

Answer 8

Chromosomal Micro-: array & DNA Probe for Fragile X = standard molecular genetic tests for all who have Global Developmental Delay or Intellectual Disability &/or Autistic Spectrum Disorder . They can't detect everything, but have far greater yield than Karyotyping still standard on amnio or CVS samples, though CMA & Fragile X tests can be ordered. Fetal & personal whole genome testing will be affordable soon.

Answer 9

Need more info: Need more information about which disease. Discuss with your md and or genetics counselor.

Answer 10

ATP7B gene: Initial screens include levels of ceruloplasmin and copper in the blood, but a liver biopsy is usually required. Once that is "positive, " then a mutation analysis of the atp7b gene, along with other genes linked to copper accumulation in the liver, can be performed.

Answer 11

Mutation analysis: Wilson disease is caused by mutations in the atp7b gene. This gene codes for a protein called copper-transporting atpase 2. Typical inheritance is autosomal recessive, meaning you must have an abnormal copy of the gene from each parent. Genetic testing is available.

Answer 12

ATP7B: This is routine and is available upon request from the major gene labs.

what type of genetic disorder is the duchenne muscular dystrophy?

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