The term half blood is used to describe the relation between individuals that share descent from only one parent. In humans, it is used to refer to the relation between persons born of the same father or of the same mother but not of both. Its conception is rooted in the blood theory of heredity when blood was earlier presumed as the factors of heredity. Blood was once regarded as the material being transmitted from the parents to the offspring and responsible for the heritable characteristics. Later, this was disproved by ensuing genetics experiments, identifying the genes as the factors of heredity. Variant: half-blood. Synonym: half-breed.
- heredity Definition & Facts. (2019). In Encyclopædia Britannica. Retrieved from https://www.britannica.com/science/heredity-genetics
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