Answer: the ability of the witness to explain the probability that no other person, except an identical twin has the same DNA type as that discovered at the crime scene.
Explanation:
DNA (deoxyribonucleic acid) can be obtained from blood, hair, and many biological materials.
DNA evidence is one of the most secure methods applied to criminal cases, even for offenses from before the advancements in DNA-testing technology.
However, identical twins share the same DNA, so their DNA is not useful as evidence of a crime, nor a paternity test.
I believe the answer is: self fulfilling prophecy
Self fulfilling prophecy refers to the prediction that somehow makes itself become true/fulfilled. Other example would be when a person is inherently believe that he is somehow intellectually inferior and cannot do anything to improve their get. This often lead him to not making any efforts since he believes it pointless, which lead to self-fulfilling his initial opinion about himself.
The answer I would choose is D all of the above
B everything pretty much fell/ decreased
If Cathy blames her history teacher for her poor performance on a history test she is most likely engaging in: Self serving bias
Self serving bias refers to a way of thinking that always perceive ourself in a positive manner. People with self-serving bias often willing to over look their own mistakes in order to avoid the feeling of failure, which cause them to constantly blame other people for their own mistake.