Duchenne muscular dystrophy (DMD) is a recessive X-linked disorder, which results in symptoms before the age...
Duchenne muscular dystrophy (DMD) is a recessive X-linked disorder, which results in symptoms before the age of 6. A young girl, diagnosed with DMD has a 46 XX karyotype. The young girl’s brother is also living with DMD. Curiously, both parents are normal.
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- Given the information in the question, why does this young girl have DMD? (1 sentence)
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- How does this young girl have DMD? What mechanisms and how did this mechanism lead to this girl exhibiting DMD? (1 or 2 sentences)
Homework Answers
A) 46XX chromosome mutation causes Duchenne muscular dystrophy.Due to this condition the girl have DMD.
B) When a person X chromosome have a gene mutation in DMD gene then they will have DMD even if both parents are normal.
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Duchenne muscular dystrophy (DMD) is a recessive X-linked
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7. The disease Duchenne Muscular Dystrophy (DMD) is caused an X-linked recessive allele. Symptoms include muscle tissue deterioration and loss of coordination. A boy with DMD is born to phenotypically normal parents. What is the genotype of each parent?
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A married couple discovers that there was a case of the X-linked recessive disorder Duchenne Muscular...
A married couple discovers that there was a case of the X-linked
recessive disorder Duchenne Muscular Dystrophy (DMD) in the
grandparental generation on both sides of their family. the
prdigree is as follows:
i) should the DMD case on the man's side affect the anxiety
level of the couple at all? Explain.
ii)What is the probanility that their first child will be a boy
with DMD?
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7. The disease Duchenne Muscular Dystrophy (DMD) is caused an X-linked recessive allele. Symptoms include muscle tissue deterioration and loss of coordination. A boy with DMD is born to phenotypically normal parents. What is the genotype of each parent?
A married couple discovers that there was a case of the X-linked
recessive disorder Duchenne Muscular Dystrophy (DMD) in the
grandparental generation on both sides of their family. the
prdigree is as follows:
i) should the DMD case on the man's side affect the anxiety
level of the couple at all? Explain.
ii)What is the probanility that their first child will be a boy
with DMD?
8. A married couple discovers that there was a case of the X-linked recessive...
John has the sex-linked recessive Duchenne muscular dystrophy, but his brother Jim is normal. Mary's family has no history of DMD. What is the probability that Mary & Jim's children will have DMD? O 0% 100% for boys, 50% for girls 50% for boys, 100% for girls 50% for girls 50% for boys
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need help with correct answers.
A 21-year-old soldier disappeared in Vietnam. Forty years later, bones are discovered that may include his remains. Which available living relative's mitochondrial DNA would be the most accurate sample to obtain for comparison to determine whether the bones belong to the soldier? Sister's son O Brother's son O Daughter O Father Question 55 1 pts Which of the following is a hereditary disease characterized by excessive intestinal absorption of a dietary iron resulting in a...
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