Which of the following is an example of a phenotype?
A) an extra X chromosome
B) a mutation on chromosome 7
C) an IQ of 117
D) an allele on chromosome 4 for red hair color
C) an IQ of 117
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Divorce is influenced by many factors, including
the time of year. home ownership. the social and political context. health insurance issues.
Dominic is left-handed. He would like to know if his infant son is likely to be left-handed or right-handed. What can you tell him about research on handedness?
What will be an ideal response?
Which of the following is least likely to be considered when determining how to manipulate an independent variable?
A. the external validity of the study B. the ethical considerations of a strong manipulation C. the internal validity of the study D. the cost of the manipulation
Deoxyribonucleic acid (DNA) takes the form of a:
A. single spiral. B. double helix. C. sphere. D. cube.