What are the symptoms of Tay-sachs disease?

I can quote statistics all day long, and you still won't know anything. You should be tested, as should your boyfriend if he is the person with whom you expect to have children. Once you hav...

They have a cherry red spot on them, see the Wikipedia page below for a complete description.

I think it's recessive alleles. Both parents must be a carrier. Infants with Tay-Sachs disease appear to develop normally for the first six months of life. Then, as nerve cells become disten...

TSD is a recessive genetic disorder, meaning that both parents must be carriers in order to give birth to an affected child. Even then, there is only a 25% chance with each pregnancy of having a ch...

Rare in the UK (can't find any numbers!) - 1 in 360,000 live births worldwide, so probably less than 1000 each year.

Tay-Sachs disease occurs when the body lacks hexosaminidase A, a protein that helps break down a chemical found in nerve tissue called gangliosides. Without this protein, gangliosides, particularly...

They are categorized as autosomal recessive diseases, because the parents must possess these traits in their recessives in order to pass it along to their offspring.

for children over the age of 6mos. Extremely Rare. it is also rare to extremely rare for adults to get TSD also. The most common form is infantile TSD and is usually diagnosed by 7mos. old.