During fertilization, a haploid sperm and a haploid egg join to produce a ____
a. diploid zygote c. diploid gamete
b. haploid zygote d. haploid gamete
A
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Children with PKU may show very different outcomes with and without exposure to phenylalanine in the diet. This demonstrates the role of __________.
A. a genetic disorder B. gene-environment interaction C. heritability D. variable phenotypes
Research by Pronin and colleagues (2006) indicates that imagining an event before it occurs can lead people to
a. take credit for influencing the event. b. exhibit more accurate memory for the event. c. overcome the illusion of mental causation. d. suppress unwanted thoughts about the event.
An agreement to participate in research, after first being instructed about the nature of
the research and its possible negative effects is called a. debriefing. b. briefing. c. informed consent. d. the ethics agreement. e. the subject-experimenter agreement.
Dr. Hermann conducted a study to see what children would hit language milestones such as speaking their first word, having a 50-word vocabulary, and using past tense, earliest. She brought a group of mothers with their infants into the room
Which of the following mothers would likely have toddlers that hit these language milestones first? a. mothers who speak about 10 words a minute to their children. b. mothers who do not speak to their children. c. mothers who were responsive to their children's vocalizations. d. mothers who helped their children complete tasks.