Genes that produce alternative expressions of a trait are called
A. gametes.
B. autosomes.
C. karyotypes.
D. alleles.
Answer: D
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What appears to be the main defense against developing pre-eclampsia?
a. Controlling intake of fat b. Receiving prenatal care c. Minimizing intake of protein d. Gaining extra weight during pregnancy
Dorothea conducts a survey to find out how many national parks people have visited in the past two years. She polls twenty people and finds that ten people have visited no national parks; five people have visited one national park; four people have visited two national parks; and one person has visited twenty national parks. Which measure of central tendency should Dorothea use to provide the
most accurate picture of her data? a. ?Mean b. ?Median c. ?Mode d. ?Standard deviation
What is one of the criteria that an IRB uses to review research?
a. minimal risk to nonhuman subjects b. minimal risk to human participants c. guaranteed discrimination in the selection process d. guaranteed access to participant names and data
The schools of psychology referred to as behaviorism were helped along by attacks on Darwin's theory of evolution
Indicate whether the statement is true or false