I believe the answer is: <span>There are questions about the validity of the test
The personality test would only give information about how a person would 'most likely' react under certain circumstances.
Often times, the people would deviate on their personality type in response to certain events and would make the analysis based on personality type become invalid.</span><span />
Yes, i believe Vandivier was right to do the whistle blow.
Since the company where he works basically forced him to do their scheme in frauding the government, i personally believe he is morally required to do so because taxpayers are the one that would receive the impact.
The trait is called Heterozygous because it has two traits that are different from each other, dominant and recessive.
Hope this helps.