Yes, hemophilia is an autosomal recessive disorder. Hemophilia A and hemophilia B are inherited in an X-linked recessive pattern.emale chromosome has another X-chromosome, which is dominant and masks the defective gene, and it is quite rare that both â¦ the chromosomes have recessive alleles. But, in males, the Y-chromosome has nothing to over mask the defective gene and the abnormality shows up in the form of the disease.
A papilloma virus (wart) is probably what causes horse sarcoids. A high proportion of sarcoids contain genetic material that is identical, or very closely related, to the bovine papilloma virus (BPV).sually the clinical appearance is adequate to make a diagnosis. Especially if several sarcoids of more than one type are present on the same horse. It is more difficult if only one occult sarcoid is present.
E542 Nasal Discharge. Introduction: Causative Agents: The following lists are only a few of the major causes of nasal discharge in the horse. Causative Agents: 1  Serous. 2  Viral respiratory infections (Influenza, Equine herpes, Rhinotracheitis and others). 3  Early bacterial infections (strangles). 4  Foreign bodies. 5  Nasal lacrimal (tear duct) problems.