Hungtington Disease:
Huntington's disease is a neurodegenerative genetic disorder that affects muscle coordination and leads to cognitive decline and dementia.
Inheritance Pattern: The allete for the normal"Hungtington" protein is autosomal recessive;Huntington's disease is caused by an autosomal dominany allete which codes for an abnormal form of the Huntington protein.Symptoms are more severe in homozygous individuals.
A normal man(Joseph) marries a woman(Rebacca) who is heterozygous for HD and they have four children.Two of their sons(Adam And Charles) are born healthy without HD.One marries a woman without HD and they have a normal daughter.joseph and Rebacca's daughter Tasha and their last son both have HD.James marries a non-HD woman whose sister and parents also do not suffer from HD .James and his wife have three children- a normal boy,a normal girl and a son with HD
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