Chimerism is what happens when cells from one twin are present in the other. For example, white blood cells with Y chromosomes would be found in the female twin.
: of, relating to, or involving conscious mental activities (such as thinking, understanding, learning, and remembering). cognitive development/psychology/impairment. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.
Cognitive Weakness. One weakness of the cognitive approach is that it is too mechanical, it compares the human to computers in that they have similar processes. This is a weakness as humans are more complex than computers, for example emotions can affect a humans' output.ognitive Weakness. One weakness of the cognitive approach is that it is too mechanical, it compares the human to computers in that they have similar processes. This is a weakness as humans are more complex than computers, for example emotions can affect a humans' output.