Question

A person with blood group A produces antibodies against B. A person with blood group B produces antibodies against A. A person with blood group AB produces no antibodies. How can you explain this?

a. A and B alleles are co-dominant. Therefore, both A and B carbohydrates are present on the cell.

b. A is incompletely dominant over B. Both A and B carbohydrates are present on the cell.

c. A and B alleles are co-dominant. Half the cells have only A, and other half have only B. A person with blood group A produces antibodies against B. A person with blood group B produces antibodies against A. A person with blood group AB produces no antibodies. How can you explain this?

a. A and B alleles are co-dominant. Therefore, both A and B carbohydrates are present on the cell.

b. A is incompletely dominant over B. Both A and B carbohydrates are present on the cell.

c. A and B alleles are co-dominant. Half the cells have only A, and other half have only B. @Biology

Answer 1

b)

Answer 2

I believe it is the answer should be A. I know however that the blood type concerns alleles, their antigen coats and anti bodies which are basically proteins, so it kinda throws me of.

Answer 3

what is it a or b

Answer 4

Its A