Sunday, November 13, 2011

What are the chances of a person with Hereditary Deafness passing it to their children?

Autosomal Dominant: The Child of a Person who Has Hereditary Deafness and Someone who doesn't have the deficiency, have a 50 percent chance of having the deficiency. 
Autosomal Recessive: The Child of a person who Have Hereditary deafness and Someone who doesn't have the deficiency, have a 25 percent chance of having the deficiency if the Parent who doesn't have the disease is a carrier, or They can be carriers of the deficiency if the Parent who doesn't have the disease doesn't carry the trait. 
X-linked: If the Father has the disease all of his daughters would be carriers of the disease, while his sons are normal. If the Mother has the disease all of her daughters would be carriers of the disease and all of her sons would have the disease.

http://www.ncbi.nlm.nih.gov/books/NBK1434/#deafness-overview.Genetic_Counseling

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