Which of the following conditions is a genetic disorder in which individuals absorb too much dietary iron? O hypokalemia O hypertension O hemochromatosis O cretinism
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According to Sharon Moalem, author of "Ironing it Out," hemochromatosis is a hereditary disease that disrupts the way the body metabolizes iron. The gene for hemochromatosis is the most common genetic variant in people of Western European descent. It is caused by a genetic mutation. Unchecked, this disease can lead to liver failure, heart failure, diabetes, arthritis, infertility, psychiatric disorders, and cancer. Why would a disease so deadly be bred into our genetic code? 1. Because individuals who have the hemochromatosis mutation are resistant to malaria. 2. Because individuals who have hemochromatosis do not know they have the disease until their late 50s. Until this time, these individuals are at a reproductive advantage by producing large quantities of iron, which aid in a healthy immune system and fend off infectious diseases. 3. Because individuals who have the hemochromatosis mutation are especially resistant to bacterial infections because of their iron-starved macrophages (white blood cells). 4. All of the above 5. None of the above
Supreeta N.
According to Sharon Moalem, author of Ironing it Out, hemochromatosis is hereditary disease that disrupts the way the body metabolizes iron. The. gene for hemochromatosis is the most common genetic variant in people of Western European descent. It is caused by a genetic mutation. Unchecked this disease can lead to liver failure, heart failure, diabetes, arthritis, infertility, psychiatric disorders, and cancer. Why would a disease so deadly be bred into our genetic code? 1. Because individuals who have the hemochromatosis mutation are resistant to malaria. 2. Because individuals who have hemochromatosis do not know they have the disease until their late 50's. Until this time, these individuals are at a reproductive advantage by producing large quantities of iron which aid in a healthy immune system and fend off infectious diseases. 3. Because individuals who have the hemochromatosis mutation are especially resistant to bacterial infections because of their iron- starved macrophages (white blood cells). 4. All of the above 5. None of the above
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Lainey R.
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