Question

How is blood type and tissue type established?
a) after exposure to an antigen
b) after exposure an immunogen
c) due to antigen-presenting cells
d) due to clonal expansion of leukocytes
e) inherited from parents

Answer 1

Answer: Inherited from parents

Explanation:

The blood type and tissue type of a person is determined by the birth and is inherited for the whole life.

It is a genetic factor which is inherited from parents. A mother having a blood group AB can transfer either A antigen or B antigen and the child can have either blood group A or B else AB.

The another factor is the tissue type which is also inherited from the parents to the child.There are almost 44 types of human tissue found in human beings which depends on the genetics.

So, the correct answer is option E