Is a very long gene, with new alleles appearing often, and many ways to cause loss of function. Therefore the majority of patients have an allele that has never been seen before. Also very deleterious, so common alleles quickly lost.
Is a very long gene, with new alleles appearing often, and many ways to cause loss of function. Therefore the majority of patients have an allele that has never been seen before. Also very deleterious, so common alleles quickly lost.<BR>