Cattell prominently used the statistical technique called _______ in developing his approach to personality

The indifferent organism develops into a male if and when a biochemical signal is received from the ______ gene

Fill in the blank with correct word

Phyllis goes out on a date and kisses a young man. Later, she finds out that he has AIDS. She fears that she might get the disease. However, there is no scientific, documented proof of AIDS being passed to another through saliva

Indicate whether the statement is true or false.