Final answer:
People with type O blood have unique blood transfusion characteristics and genetic makeup.
Explanation:
False. People with type O blood can receive blood transfusions from individuals with other blood types during emergencies or when type-specific blood is unavailable due to their blood type being a universal donor. True. People with type O blood can be heterozygous for this trait, meaning they can carry one recessive allele for type O blood and one dominant allele for another type.
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