By Hal Marcovitz
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25 asks William McKeever, a Mormon leader and abortion opponent. McKeever also points out that genetic tests are occasionally wrong. Such arguments were fueled in 2010 when health officials in Scotland disclosed the case of a man they identiA few weeks after fied as “Mr. C”—the individual preher amniocentesis, ferred to remain anonymous—who the doctor called tested positive in 1989 for the gene with the news: mutation that causes Huntington’s Her baby would disease. Believing he had the disbe afflicted with ease—and that he would pass the Down syndrome.
Brown says she was shocked by the news—and also shocked that the doctor knew about Isabel’s DNA because Brown and her husband did not know the girl’s DNA had been tested. Further tests have indicated that Isabel does not carry the mutant gene. Still, Brown says the state should not have taken her daughter’s DNA without the family’s permission. Says Brown: “Why do they need to store my baby’s DNA indefinitely? ”43 While it would seem as though the federal government has taken steps to ensure that nobody would be denied health insurance or employment based on the content of their DNA, there are still many issues about privacy and discrimination that remain unresolved.
Medical researchers have identified four genes responsible for sparking Alzheimer’s disease; as many as 75 percent of people who carry the gene mutations for Alzheimer’s will develop the disease by the age of 85. How Beneficial Is Genetic Testing for Diseases? Risk-Reduction Surgery Helps Prevent Breast Cancer Genetic testing can identify women who are more likely to develop certain types of breast cancer, giving them the option of undergoing potentially life-saving risk-reduction surgery. A study published in the Journal of Clinical Oncology shows that risk-reduction surgery helps prevent the types of breast cancer that occur in women who test positive for mutations in the BRCA1 and BRCA2 genes.