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What Do Twin Studies Indicate About the Role of Genes

Question 7

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What do twin studies indicate about the role of genes in personality?


A) Heredity plays an important role in personality.
B) Dizygotic twins are more likely than monozygotic twins to share personality traits.
C) Personality is almost entirely determined by parenting and other environmental factors.
D) Personality appears to be related to two different copies of a serotonin transporter gene.

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