Why do mitochondrial diseases cause a myopathy

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Question 1. As cells grow and regenerate, what mechanism does the body use to get rid of the continuously dying cells? And what kind of cells can't be replaced once dead?

Question 2. I cannot find out why some of the autosomal dominant diseases have a male or female preponderance, e.g. I have never seen a female Marfans. I was attributing it to imprinting but on reading about imprinting in detail it cannot be the case.

Question 3. We have been told that some tumours in the colon are associated with microsatellite instability. What does this mean?

Question 4. I understand that microarrays are being used to define the molecular abnormality and the prognosis in some patients with leukaemia. What are microarrays?

Question 5. Why do mitochondrial diseases cause a myopathy?

Question 6. Why do successive generations of patients with some genetic disorders present earlier and with progressively worse symptoms.

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Molecular cell biology and genetic disorders
Molecular cell biology and genetic disorders

Question 7. Does a normal serum uric acid level exclude the diagnosis of Lesch-Nyhan syndrome?

Question 8. How is retinoblastoma an autosomal dominant disease if the mutation of both RB genes is required to express the disease?

Reference no: EM133854640

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