Im sure it is A. Direct Object
Answer: Polygenic inheritance.
Explanation: Some characteristics are polygenic, meaning that they're controlled by a number of different genes. In polygenic inheritance, traits often form a phenotypic spectrum rather than falling into clear-cut categories.
Answer: The problem with projective tests is that they lack validity and reliability, the two critical aspects of any psychological assessment. Reliability refers to how consistent the results of a given test are: a test that is reliable will yield the same results time and time again