bralexcajuliciashk bralexcajuliciashk

12-08-2016
Biology

contestada

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.

Respuesta :

taskmasters taskmasters

14-08-2016

I think the correct answer from the choices listed above is option A. From the situation stated above we can say that A and B alleles are co-dominant. Therefore, both A and B carbohydrates are present on the cell. Hope this answers the question. Have a nice day.

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