Studies of mutation demonstrate that __________
A) some mutations occur spontaneously, simply by chance
B) mutations are never desirable
C) females are more susceptible than males to harmful mutations
D) most mutations cause only a temporary change in a segment of DNA
Answer: A
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Zachary was proud that he could read his favorite bedtime story book all by himself. Zachary demonstrated this for his mom, and he beamed with pride when he was done. Changes in the ________ —thinking of oneself being a reader—are part of the many factors involved in learning to read
Fill in the blank with correct word.
A wide variety of potential expressions of a genetic trait, depending on environmental opportunities and constraints, is called ______.
A. canalization B. behavioral genetics C. range of reaction D. gene-environment correlation