問題詳情

45. In humans, ABO blood types refer to glycoproteins in the membranes of red blood cells. There arethree alleles for this autosomal gene: IA, IB, and i. The LA allele codes for the A glycoprotein, The IBallele codes for the B glycoprotein, and the i allele doesn't code for any membrane glycoprotein. IAand IB are codominant, and i is recessive to both IA and IB. People with type A blood have thegenotypes IAIA or IAi, people with type B blood are IBIB or IBi, people with type AB blood are IAIB,and people with type O blood are it. If a woman with type B blood marries a man with type A blood,which of the following blood types could their children possibly have?
(A) A and B
(B) AB and O
(C) A, B, and AB
(D) A, B, and O
(E) A, B, AB, and O

參考答案

答案:E
難度:計算中-1
書單:沒有書單,新增