Multiple choice Haemophillia is a genetic disorder which causes blindness loss of haemoglobin rheumatism non-clotting of the blood Reveal answer Fill a bubble to check yourself D Correct answer Explanation Haemophilia is a genetic disorder that impairs the body's ability to control blood clotting. This causes prolonged bleeding because the blood doesn't clot properly. It does not cause blindness, loss of haemoglobin, or rheumatism.