Read the passage below.Tay-Sachs disease is a genetic disease in which the body is missing an important protein. The disease can occur just as often in males as in females. Both parents must pass on the gene for Tay-Sachs in order for a child to become sick with the disease. Infants who are born with Tay-Sachs usually die between the ages of three and four. Based on the information in the passage, Tay-Sachs can be classified as which type of disease?
The passage says Tay-Sachs occurs as often in males as in females, so it is not linked to the X or Y chromosome. It also says both parents must pass on the gene for a child to become sick, which describes a recessive disease. Therefore, Tay-Sachs is autosomal recessive.
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