Patau syndrome is something someone is born with, the person will have a cleft lip, very abnormally small eyes, possibly a missing eye or maybe both, and the positioning of their nose will make it very hard to breathe. The answer is not A.
Tay-Sachs disease is a disease where a baby has a louder response to sounds, red spots on its eyes, the baby might not be able to function properly, it might not be able to turn over, crawl, or sit, the baby will also have weakened muscles, possibly turning towards paralysis, the baby will also have seizures, vision loss which can result in the baby becoming permanently blind, and hearing loss which can result in the baby becoming deaf. Since Lauren isn't a baby, B is not the answer.
Cystic fibrosis can have results such as lung infection, pneumonia, wheezing, coughs that contain thick mucus, possibly constipation or diarrhea, trouble with gaining weight or growing in height, and sweating. The answer may be C.
Turner syndrome is something that someone is born with, the person may have a wider neck, lower ears, a broad chest, a higher palate in their mouth, their arms may turn outwards at their elbow, and their fingernails and toenails are skinnier than the average person's and will be turned upwards. The answer is not D.
Sickle cell anemia can cause pain, swelled hands and feet, infections, delayed body growth, vision problems, and anemia. Since Lauren isn't anemic, the answer is not E.
The answer is C, cystic fibrosis.
Let me know if this is the correct answer. :)