<prompt> HLA-B 1502 is a genetic marker for -Systemic lupus erythematosusPolyarteritis nodosaSteven Johnson syndromeSeronegative spondy-arthritis syndrome  <response>: Ans. is c i.e., Steven Johnson syndrome o Individuals who have HLA-B 1502 are more likely to experience a severe disorder called Stevens-Johnson syndrome in response to carbamazepine. 