Genetics is the scientific study of genes and heredity - of how certain qualities or traits are passed from parents to offspring as a result of changes in DNA sequence. Humans have long observed that traits tend to be similar in families. People inherit one copy of each gene from their mother and one copy from their father. Sometimes, changes in genes, called mutations, may be passed on from parents to children. However, genetic mutations may also occur over a person's lifetime, either by chance or as a result of exposure to something that increases the risk of cancer, such as smoking cigarettes. Genetic mutations can interfere with how the body normally works, such as stopping cells from growing out of control or repairing any damage to the cells. Most cancers are caused by genetic mutations. Genetic testing is how we examine our DNA and reveal mutations that may cause illness or disease. Although genetic testing can provide important information for diagnosing, treating and preventing illness, there are limitations. So what is the difference between genetic testing from a healthcare provider vs a direct-to-consumer genetic test? What is the difference between hereditary cancers vs sporadic cancers? How can we leverage the information we find out after a closer inspection of our genes?
Purpose: Learn about the influence of genes on heredity and disease along with the available methods for genetic testing
Facilitator: Mary Ann Orlang (Guest Presenter - Lee Health) |
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