What are the 4 human blood types? A, B, AB, and O This is an example of multiple alleles. What are the alleles for the human blood types? A, B, O These 3 alleles can be combined to make 4 blood types.

What makes the 4 blood types different?

The antigen (protein) on the surface of the Red Blood Cell. Blood Type antigen A B AB A and B O neither

Human blood type is also and example of a codominant trait. alleles A and B are both dominant, allele O is recessive.

Transfusion Rule – never give a person a new blood protein Type can be given to: A A or AB B B or AB AB AB O A, B, AB, O

What was Dr. Drew’s most important accomplishment What was Dr.Drew’s most important accomplishment? What was the irony of his death?

Inheritance of human blood types: These problems have the same 4 parts: P1 statement Punnett square genotype phenotype