Morgan has albinism, a recessive condition resulting in a lack of skin pigment. If neither of Morgan's parents has albinism, how did Morgan develop this condition?
a. Morgan received a dominant gene for the condition from each parent.
b. Morgan received a recessive gene for the condition from each parent.
c. Morgan received two dominant genes for the condition from one of her parents.
d. Morgan received two recessive genes for the condition from one of her parents.
B
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Ethical standards permit deception in research studies if __________
A) the participants are young enough that they would not understand the deception B) investigators satisfy institutional review boards that such practices are necessary C) researchers can observe participants from behind one-way mirrors D) the participants give informed consent and the researchers never reveal the real purpose of the study
Which of the following is a characteristic of both light waves and sound waves?
a) hue b) decibels c) amplitude d) wavelength
Imagine that you have been asked to diffuse the tension and conflict between two rival neighborhood groups. If you were to apply Muzafer Sherif's findings in the Robbers Cave study to your situation, you would
a. encourage the spread of positive rumors about the opposing groups. b. promise the group leaders monetary rewards if they can keep the conflict down between the rival groups. c. establish an all-night basketball league and have the groups compete against one another. d. engage the groups in cooperative action in pursuit of shared goals.
Imagine that you are testing whether height and IQ are related. You categorize people into either short, average, or tall height categories and below-average or above-average IQ categories. How many df do you have?
a. 1 b. 2 c. 5 d. 6