If fraternal twins are more likely to be concordant for a trait than other siblings, can it be concluded that
the higher concordance rate is due to the greater degree of genetic relatedness?
A) Yes.
B) Yes, but only if the siblings studied are of the same sex and age.
C) No, because fraternal twins are no more genetically alike than other siblings.
D) No, because the greater similarity can be attributed to environmental influence.
C
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According to Piaget, children lack the concept of object permanence during the ____________ stage
Fill in the blank(s) with correct word
Most modern American parents are likely to view their children as being
a. competent. c. in need of protection. b. innocent. d. dependent.
Among African American adolescents, higher self-esteem is related to
A) foreclosed identity status valued by the African American community. B) social movements within the African American community that bolster racial pride. C) their ability to assimilate into majority culture. D) the degree to which a person observes others and models their behaviors.
Infants begin babbling at about ______ month(s) of age
a. 1 to 2 c. 5 to 6 b. 3 to 4 d. 7 to 8