Hutchinson-Gilford Syndrome (Progeria) Causes: The exact cause of Progeria is unknown, but it is believed due to a single abnormal gene. A gene is the key unit of heredity that is passed from the mother and father to the offspring. Human beings have approximately 80,000 genes. Progeria is thought to be the result of a dominant mutation because the gene in question has one normal copy and one abnormal copy. Because neither parent carries or shows …showed first 75 words of 821 total…

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