Tay-Sachs Disease (TSD) is a neurological disease that is autosomal recessive. if mother and father are both unaffected carriers for this gene, what will be true of their offspring ​

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In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.