What are the chances of a healthy man age 26 developing Huntington’s Disease if his mother was diagnosed with Huntington disease and if the pre-symptomatic test identifies him as heterozygous for this particular gene? Will his children inherit the mutant form of a gene if he is heterozygous? Would you expect males and females to be affected by this disease in equal numbers? why? Why are dominant disorders seldom lethal? What is special about Huntington’s Disease that maintains this dominant and lethal disorder in the population? Explain, the physiological cause of Huntington Disease. Describe symptoms and the physiological cause for each, treatments and physiological changes in each treatment.
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