Explain Tay-Sachs disease. Imagine you are a genetic counselor working with a co
ID: 39 • Letter: E
Question
Explain Tay-Sachs disease. Imagine you are a genetic counselor working with a couple who have just had a child who is suffering from Tay-Sachs disease. Neither parent has been tested for Tay-Sachs disease nor have there been any previous cases of Tay-Sachs in either family. Explain Tay-Sachs disease and provide a discussion of the information you would share with the couple about Tay-Sachs and possible implications for future children. Your assignment should be approximately 200 - 300 words in length. Be sure to utilize APA formatting in your writing.
Explanation / Answer
t---------- Tay-Sachs disease.----recessive allele
T--------NORMAL ALLEL
Parents ----------- Tt NORMAL-carrier x Tt------ NORMAL-carrier
T
t
T
TT NORMAL
Tt------ NORMAL-carrier
t
Tt NORMAL-carrier
tt-----------affected
There is risk of having affected Tay-Sachs disease in offspring is 1/ 4= 0.25
T
t
T
TT NORMAL
Tt------ NORMAL-carrier
t
Tt NORMAL-carrier
tt-----------affected
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