The best investigative question is, How can you determine a person’s blood type?
What determines the blood type of an individual?
In human being, the blood groups up four types are A, B, O, and AB groups.
These blood groups are also negative or positive depending on the presence or absence of Rh factor.
The blood groups can be determined by the presence of antigen present on the surface of the blood cell and the antibodies in the blood plasma.
The blood groups are inherited from parents to offspring. Each parent passes one allele for blood type to their child.
To check the type of a person's blood group, the simplest test which can be done in home and schools is antigen-antibody blood test.
The blood group typing can be done by mixing a drop of blood with serum containing anti- A antibody and anti- B antibody.
Thus, how can you determine a person's blood type? It is a best investigative question.
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