Which Scenario Results in Conjoined Twins

question 19

Multiple Choice

Which scenario results in conjoined twins?

• A) Two ova are produced and fertilized by joined sperm cells.
• B) Two eggs fail to separate on the 13th day after conception.
• C) Two different sperm fertilize the same egg.
• D) Cell mutation takes place prior to the end of the first trimester.

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Definitions:

Projective Tests

Psychological assessments where individuals are asked to respond to ambiguous stimuli, theoretically revealing hidden emotions and internal conflicts.

Standardization

The process of establishing norms and uniform procedures to ensure consistency across different measurements, tests, or processes.

Psychophysiological Test

A test that measures physical responses (such as heart rate and muscle tension) as possible indicators of psychological problems.

Galvanic Skin Response

A measurement of the electrical conductivity of the skin, which varies with its moisture level, used as an indication of psychological or physiological arousal.