Blood Typing and Genetics Quiz

What are the three alternative forms of the ABO blood type locus?

A, B, and O

How many genotypes and blood types can arise from the ABO blood type locus?

Six genotypes and four blood types

Where are the Rh genes located and how are they inherited?

The Rh genes are located next to each other on chromosome 1 and are inherited separately from blood type

What is the Rh blood group locus composed of and what antigens do they encode?

The Rh blood group locus is composed of the D and CcEe structural genes, which encode red cell membrane proteins carrying D, Cc, and Ee antigens Signup and view all the answers

What percentage of the population is Rh positive?

85% of the population is Rh positive Signup and view all the answers

What happens when a blood sample is mixed with antibodies against Type A and B?

If the blood sticks together, it is attracted to the antibodies. Signup and view all the answers

How does the test determine a person's blood type?

People with type A blood have anti-B antibodies and vice versa. Type O blood contains both types of antibodies, but neither antigens. Type AB includes both antigens, but neither antibodies. Signup and view all the answers

What is the purpose of mixing the serum with blood in the test?

To determine the reaction of the serum with the blood. Signup and view all the answers

What is the Rh factor?

The Rh factor is an inherited protein found on the surface of red blood cells. Signup and view all the answers

How does the test determine if a person's blood type is Rh positive or Rh negative?

If the blood cells have the Rh protein, the blood type is positive. If the blood cells lack the Rh protein, the blood type is negative. Signup and view all the answers