A.0.1%~1% B.1%~10% C.1/2或1/4 D.70%~80%
A.Huntington舞蹈病 B.蠶豆病 C.白化病 D.血友病A E.鐮狀細(xì)胞貧血
A.生男患的B.生女患的C.無法預(yù)計(jì)D.兩個(gè)家庭都高