When a phenotype is produce in both heterozygous and homozygous conditions, the allele is a
A. expressive feature.
B. recessive feature.
C. DNA fingerprint.
D. dominant feature.
Answer: D
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Identify and describe the four types of validity described in your text
What will be an ideal response?
Midafternoon sleepiness
a. is a natural part of the sleep cycle. b. should not occur after infancy. c. is only common among the elderly. d. indicates that the person is getting poor quality of sleep at night.
Why did research participants in Sperling's experiment recall so few letters stored in iconic memory?
a. They stopped paying attention after a few stimuli. b. Proactive interference reduced the effectiveness of recall. c. The stress of participating in this research became excessive. d. The remaining stimuli quickly faded from iconic memory. e. Because participants were not able to recall more than 1 or 2 of the letters during each trial.
Young children sometimes interpret sentences literally, like "Do you know where your mommy is?" by answering "Yes." They failed to understand the _____ of the question
a) pragmatics b) propositional representation c) syntax d) nativism