<prompt> Most common mutation in haemophilia is:Intron 1 inversionIntron 22619 bp deletion3.7 bp deletion  <response>: Genetic abnormalities in haemophilia : Inversions: Intron 22 inversion, Intron 1 inversion Point mutations: Missense mutation, nonsense mutation, frameshift mutation Deletion of pa or whole of gene Inseion of repetitive sequences Splicing errors affecting production of mRNA Hemophilia Afactor 8 deficiency -x linked recessive trait, affects mainly males and homozygous females Hemophilia B - x linked disorder caused by mutations in coagulation Factor 9 