Nancy and Cliff had four children who did not have cystic fibrosis, but their fifth child was born with the disease. Cystic fibrosis is carried on a recessive gene. Given what you've learned in this chapter, how could this happen?
a. It wasn't until the fifth child that both parents passed on the allele for this illness
b. Recessive genes normally skip a generation, but after the parents had five children, the gene was expressed.
c. Their fifth child must have been a boy, which makes it more probable that he would have the illness.
d. Their fifth child must have been a girl, which makes it more probable that she would have the illness.
a
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You are a Japanese person in emerging adulthood. You are thinking about getting your own apartment to be closer to your work. How is your family likely to respond?
a. They will be happy because individuals in Japan are encouraged to leave home at this time. b. They will be happy because it indicates self-sufficiency for the emerging adult. c. They will not be happy because when an emerging adult leaves home, it is a sign of troubled family relations. d. They will not be happy because emerging adults are to take care of the grandparents.
Decades of research have shown that marital satisfaction follows a ____
a. Z-shaped pattern b. Y-shaped pattern c. U-shaped pattern d. X-shaped pattern