Which of the following is the BEST example of canalization?
A) Jon and Jerry, MZ twins reared in highly different environments, have different
temperaments as adults.
B) Keith, an XYY male, is tall for his age, of average intelligence, and currently having
behavioral problems in school.
C) Terry and May, who both have brown eyes, are the biological parents of Jessica, who has
brilliant blue eyes.
D) Regardless of when they are born, all human infants smile at exactly forty weeks after
their conception.
D
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The organization and interpretation of olfactory information is one example of ____________
A) accommodation B) perception C) sensation D) transduction
Evidence that stomach contractions are not responsible for hunger comes from studies showing that
a. injections of sugar into the bloodstream will stop both stomach contractions and hunger. b. people with their stomachs removed still experience hunger. c. rats without stomachs will not learn mazes when rewarded with food. d. gastric distension caused by an inflated balloon will cause a person to end a meal.