Replicants (Hominis facticius biomechanica) are a race of a manufactured humanoid organisms developed from synthetic DNA.
An innovative feat of synthetic biology, they were created for off-world use as slave labor, in the hazardous exploration and colonization of other planets.
Although the DNA of replicants is designed to be a close enough structural analogue of human DNA to where it is nearly indistinguishable, it doesn't come from any human or any biological source whatsoever--it is entirely constructed. That means that although replicants are fully organic, they are still purely synthetic beings. Because of that, they are legally regarded as nothing more than biological androids. Replicants are, therefore, accorded no rights nor protection.