Brent is ten months old. When his mother leaves, Brent with Grandma so that she can go to her part-time job, Brent cries. Brent is displaying
a. signaling behavior. c. separation anxiety.
b. display rules. d. stranger protest.
Question 2Although eye color is typically considered to be determined by dominant-recessive allelic forms of a single gene, other genes may influence it as well. In this case, eye color may be considered a _________ trait.
a. phenotypic c. heterozygous
b. polygenic d. codominant
Question 3Gizela, while visiting her sister and her newborn nephew, could not help but pick up the baby when he began to cry. According to Bowlby, the baby's crying is an example of a(n)
a. signaling behavior. c. conditioned emotional response.
b. social reference. d. ambivalent attachment.
Question 4A phenotypic characteristic influenced by two or more genes is a ________ trait.
a. polygenic c. recessive
b. polydominant d. cooperative
Question 5Camille was frightened during the storm and clung to her mother when the lightning and thunder were big.. According to Harry Harlow, Camille was seeking
a. a surrogate mother. c. primary reinforcement.
b. contact comfort. d. secondary reinforcement.
Question 6Tristan has inherited a gene for Type A blood from his mother and a gene for Type B blood from his father. Tristan's blood type is AB, which is an example of
a. unbalanced alleles. c. crossing over.
b. balanced alleles. d. codominance.
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