If having a gene for Parkinson's Disease guarantees that Parkinson's Disease will develop, the presence of
the gene can be described as a
A) sufficient cause. B) necessary cause.
C) contributory cause. D) risk factor.
A
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How are boys who experience early maturation different from those who experience maturation later in adolescence?
What will be an ideal response?
Which of the following statements about reactions to pubertal changes is true?
A) Almost all girls get their information about physical changes from reading material or websites. B) Girls are more likely than boys to benefit from opportunities to ask a health professional questions about puberty. C) Almost all boys tell a friend about spermarche, whereas far fewer girls tell anyone that they are menstruating. D) Overall, boys get less social support than girls for the physical changes of puberty.