If a man with an X-linked dominant disease has six sons with a woman having a normal complement of genes, then the sons will

Q. Recessive mutations in some rare genetic disorders can manifest as disease. A couple had four sons and four daughters, of which two sons developed such a genetic disorder. The parents did not manifest disease symptoms. Further studies shows that this disease affects only males. If genes $P$ (dominant allele) and $p$ (recessive allele) are involved in this disorder, identify the correct statement from the options given below.

Q. A person suffering from a disease will show symptoms like fever, headache etc.,

Q. A diseased man marries a normal woman. The couple has 3 daughters and 5 sons. The daughters are diseased while the sons are normal. The gene of the disease is

Q. A man has a disease whose gene is located on its X chromosome. If he marries a woman having one X chromosome that carries the diseased gene, what will be the probability that their son will be diseased?

Q. Let d₁, d₂, d₃ be three mutually exclusive diseases. Let S be the set of observable symptoms of these diseases. A doctor has the following information from a random sample of 5000 patients: 1800 had disease d₁, 2100 has disease d₂ and the others had disease d₃. 1500 patients with disease d₁, 1200 patients with disease d₂ and 900 patients with disease d₃ showed the symptom. Which of the diseases is the patient most likely to have?