In these cases, chimerism may manifest as the presence of two sets of DNA, or organs that do not match the DNA of the rest of the organism. In some cases, hermaphroditic characteristics, in other words, having both male and female sex organs, can be signs of chimerism.
A cognitive bias refers to a systematic pattern of deviation from norm or rationality in judgment, whereby inferences about other people and situations may be drawn in an illogical fashion. Individuals create their own subjective social reality  from their perception of the input.
We see the world from the inside out, a fact that leads everyone to be at least somewhat self-centered. The technical term for this is egocentrism.. As a cognitive bias, egocentrism refers to the natural restriction on our perception caused by the simple fact that we can only see the world from our perspective. It takes special effort to see the world from any perspective other than through our own eyes.