Which process can best be explained by alleles?

A. The fact that phenotypes produce genotypes
B. The formation of identical twins through the splitting of a fertilized egg
C. The instructions for hair color come from two sources on the chromosome
D. The teratogenic effects associated with fetal alcohol spectrum disorder (FASD)


Answer: C

Psychology

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______ hypothesis that an effect or relationship exists (or exists in a specific direction) in the population.

A. Null B. Void C. Alternative D. Pseudo

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The major treatment for ADHD is ______.

a. emotion-focused therapy b. psychoanalysis c. a stimulant mechanism d. antidepressants

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In addition to providing treatment for depression, antidepressant drugs may also be an effective treatment for

A. dissociative amnesia. B. anxiety disorders and eating disorders. C. schizophrenia. D. antisocial personality disorder.

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Enuresis cannot be diagnosed until age _____.

a. 1 b. 3 c. 5 d. 7

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