human blood types theme

Some aspect of the science of blood types is explained. Popularly, this is the classification system O-, O+, A-, A+, and so forth (eight categories) or simply O, A, B, AB (four categories). However, other systems are in use as well.

2 total · 2 minor

StoryLevelMotivation
ent3x11 minor Central to the story was a project to collect blood samples from each of the eight blood types in the abo/rh model.
movie: Not of This Earth (1988) minor Dr. Rochelle initially refused to give Mr. Johnson a blood transfusion without first checking his blood type to learn his rh factor among other things.