PSYCH 643 week 3 quiz WITH CORRECT ANSWERS .

PSYCH 643 week 3 quiz WITH CORRECT ANSWERS . The study of the relative power and limits of genetic and environmental influences on behavior is known as A) natural selection. B) evolutionary psychology. C) behavior genetics. D) the Darwinian revolution. - correct answers-behavior genetics The biochemical units of heredity that make up the chromosomes are called A) genes. B) genomes. C) epigenetic molecules. D) sperm. - correct answers-genes The impact of our cultural backgrounds on the development of our personal values best illustrates A) heredity. B) natural selection. C) mutations. D) environmental influences. - correct answers-environmental influences Unlike identical twins, fraternal twins are described as A) mutations. B) dizygotic. C) extraverted. D) epigenetic. - correct answers-dizygotic Compared with identical twins, fraternal twins are ________ similar in neuroticism and ________ similar in extraversion. A) more; less B) less; more C) more; more D) less; less - correct answers-less less The personalities of adopted children A) are very similar to the personalities of the other children in their adoptive families. B) are very similar to the personalities of their biologically related siblings. C) are not very similar to the personalities of their adoptive parents. D) are more similar to the personalities of their caregiving adoptive parents than to the personalities of their biological parents. - correct answers-are not very similar to the personalities of their adoptive parents. The study of influences on gene expression that occur without a DNA change is called A) adaptation. B) epigenetics. C) behavior genetics. D) evolutionary psychology. - correct answers-epigenetics Infant rats deprived of their mothers' normal licking had more ________ that block access to the "on" switch for developing the brain's stress hormone receptors. A) hormones B) mutations C) toxins D) epigenetic molecules - correct answers-epigenetic molecules Evolutionary psychology studies the evolution of behavior and the mind using principles of A) social learning. B) epigenetics. C) behavior genetics. D) natural selection. - correct answers-natural selection Evolutionary psychologists are most likely to emphasize that human adaptiveness to a variety of different environments has contributed to human A) interaction. B) mutations. C) heritability. D) reproductive success. - correct answers-reproductive success Distinguishing between very gradual and very abrupt developmental changes over the life span is most central to the major issue of A) prenatal and postnatal development. B) stability and change. C) continuity and stages. D) nature and nurture. - correct answers-continuity and stages A teratogen is a(n) A) fertilized egg that undergoes rapid cell division. B) unborn child with one or more physical defects or abnormalities. C) chromosomal abnormality. D) substance that can cross the placental barrier and harm an unborn child. - correct answers-substance that can cross the placental barrier and harm an unborn child The symptoms of fetal alcohol syndrome are most likely to include A) visual impairments. B) brain abnormalities. C) habituation. D) hearing problems. - correct answers-brain abnormalities Newborn infants typically prefer their mother's voice over their father's voice because A) their reflexes are natu