Intense and reactive infants become unusually anxious and aroused when facing new or strange situations. This best illustrates the importance of

A) the male chromosome.
B) temperament.
C) DNA.
D) individuality.

Temperament

An individual's innate predisposition toward certain patterns of behavior and emotional reactions.

Anxious

Feeling or showing worry, nervousness, or unease about something with an uncertain outcome.

Reactive Infants

Babies who show heightened responses to environmental or sensory stimuli, demonstrating increased sensitivity.