When children ask questions, parents
A) rarely respond informatively, unless the children are extremely persistent.
B) adjust the complexity of their answers to fit their children’s maturity.
C) should respond with “prior cause” explanations.
D) should respond with “mechanism” explanations.
Nora’s grandfather lived to be 87, and her father is still alive at the age of 98. Nora
concludes that longevity is inherited and anticipates a very long life. Nora should know
that
A) there is no reliable data on the heritability of longevity, and random factors probably
contributed to the long lives of her relatives.
B) the current generation is experiencing a shorter lifespan than the previous generation
due to environmental toxins and limited physical activity.
C) rather than inheriting longevity directly, people probably inherit risk factors that
influence their chances of dying earlier or later.
D) the heritability of longevity is approximately 0.95, indicating that longevity is
directly related to genetic factors.