Regarding the mechanisms of heredity, which of the following statements is FALSE?
a. Most of our characteristics are controlled by single genes.
b. Through the expression of genes, heredity determines eye color, skin color, and susceptibility to some diseases.
c. Genes can switch on or off at certain ages or developmental stages.
d. Genetic instructions influence intelligence, personality traits, and sexual orientation.
A
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A procedure in which a pointed instrument was inserted into the frontal lobe of the brain to destroy brain tissue was known as:
A)a lobotomy. B)trephining. C)tarantism. D)lycanthropy.
Pablo and Diego are identical twins who were given up for adoption shortly after they
were born. Pablo was raised by well-educated parents, but Diego was not. It is likely that Pablo and Diego have a. identical IQ scores because they are identical twins. b. very different IQ scores because they were raised in very different environments. c. similar IQ scores because they are identical twins, but less so than identical twins raised together. d. IQ scores more similar than that of identical twins raised in the same environment. e. an average IQ score that is equal to the average of their biological parents' IQ scores.