A gene is
a. a chain of DNA molecules. b. an egg or sperm cell.
c. the observed characteristics of a trait.
d. a portion of DNA that codes for the production of one protein.
c
Psychology
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The command center that produces the physical changes of puberty is the:
adrenal androgens. HPG axis. amygdala. frontal lobes.
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People with Romberg's sign disease have a malfunction of the
A. visual system B. sensory receptors in the soles of their feet C. inner ear D. taste buds
Psychology