A defective gene on chromosome 15 (HEX-A) causes Tay-Sachs disease....
Most genetic diseases are the direct result of a mutation in one gene...
Mitochondrial genetic disorder is caused by mutations in the non-nuclear DNA of mitochondria. ...
Most genetic diseases are the direct result of a mutation in one gene...
A highly important & proficient resource for development of genetic testing criteria that has an information system....