Mutations, which are changes that occur in the structure of a gene, ______.
a. are all inconsequential and make no difference to our growth and development
b. are inherently dangerous, as they are all linked to diseases
c. are essential for the evolution of a species, as adaptive mutations are handed down from generation to generation
d. occur as a result of malnutrition in the mother during pregnancy
Ans: A
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A child in your classroom just stuck scissors into the electrical outlet. Your immediate action would be to:
A. grab the child and pull him away from the outlet B. call for emergency medical assistance (EMS) C. locate and turn off the circuit breaker D. roll the child onto his back and treat for shock
A researcher hypothesizes that children raised from birth by a single mother will be more independent than those raised from birth in two-parent homes. He randomly draws samples of 40 ten year olds from each type of home and gives each child in the two groups a standardized "independence" test, which has a mean of 500 and a standard deviation of 30. What test should he use?
What will be an ideal response?
Why is action planning such an important part of the action research process?
What will be an ideal response?