WeekA·WeekB(약A·약B)형Week는'약한'이란의미이며WeekA형은A항원,WeekB형은B항원이약하게표현된혈액형/봄베이형/바디바바디바(-D-/-D-)형등의극소수사람들혈액형
당신은 어느 그룹입니까?