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Questions and Answers
Which of the following best defines epigenetics?
Which of the following best defines epigenetics?
- The study of heritable changes in gene expression caused by mechanisms other than changes in DNA sequences (correct)
- The study of heritable changes in DNA sequences caused by changes in gene expression
- The study of heritable changes in gene expression caused by changes in DNA sequences
- The study of heritable changes in DNA sequences caused by mechanisms other than changes in gene expression
During childhood, how many neural connections are created each second in the brain?
During childhood, how many neural connections are created each second in the brain?
- More than 700 neural connections (correct)
- More than 500 neural connections
- More than 300 neural connections
- More than 100 neural connections
What happens to weak connections in the brain?
What happens to weak connections in the brain?
- They become the main connections in the brain
- They remain weak throughout development
- They undergo remodelling and most connections vanish (correct)
- They strengthen and form the basis of mature neural networks
What do networks that support emotional, cognitive, and social behavior consist of?
What do networks that support emotional, cognitive, and social behavior consist of?
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What percentage of DNA is typically studied in relation to genetic and environmental factors in psychology?
What percentage of DNA is typically studied in relation to genetic and environmental factors in psychology?
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