Gene Testing Allows the Parents to Learn More About Their

Gene testing allows the parents to learn more about their child in the pre-natal period.However,there are genetic disorders,such as Huntington's disease that show no phenotypic signs until age 35.This disease is caused by a dominant allele,resulting in degeneration of the brain,muscle spasms,and death within a decade or two.Because it is caused by a dominant allele,50% of the offspring will carry the disease.If you knew that someone in your family had Huntington's disease,would you get tested early on before you start a family and have your own children? Would you rather not know your fate,even if it means that you may pass the dominant allele of this disease to your offspring?

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