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.
These include the eyelids, limbs and the underside of the body. In male horses they can occur on the inside of the sheath and on the penis. The site and position of horse sarcoids is very important in regards to performance, and lesions in the eyelid and girth region can be very irritating.They can cause annoying problems when fitting tack.Equine Sarcoids are often very aggressive, and are likely to re-appear if removed.he site and position of horse sarcoids is very important in regards to performance, and lesions in the eyelid and girth region can be very irritating. They can cause annoying problems when fitting tack. Equine Sarcoids are often very aggressive, and are likely to re-appear if removed.