<prompt> Which of the following is XLR?Cystic fibrosisHaemophiliaHereditary spherocytosisNeurofibromatosis  <response>: Ans b HaemophiliaRef: Robbings pathology 9th ed. 1142X-LINKED RECESSIVE X-linked recessive disorders are also caused by mutations in genes on the X chromosome. Males are more frequently affected than females, and the chance of passing on the disorder differs between men and women. Families with an X-linked recessive disorder often have affected males, but rarely affected females, in each generation. A characteristic of X-linked inheritance is that fathers cannot pass X-linked traits to their sons no male-to- male transmission.Mnemonic for XLR disordersLess HCG is Detected Clinically in A Fragile Woman Lesch-Nyhan syndrome Hemophilia, Hunters Chronic granulomatous disease G6PD deficiency Duchenne muscular dystrophy Colorblindness Agammaglobulnimea Fragile X Syndrome Wiskott-Aldrich syndrome 