Dawn has just turned thirteen years old, and she recently experienced menarche. If Dawn becomes sexually active, will she be at risk for pregnancy?
A) Possibly. Although irregular menstrual cycles are the norm for some time, pregnancy is still possible.
B) Not likely, as irregular menstrual cycles signal the absence of ovulation.
C) No. The irregularity of menstrual cycles after menarche means that it would be impossible to have intercourse during an ovulatory cycle.
D) Probably not. She would be too young to get pregnant.
A
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With the advent of photography, sexual photographs proliferated so extensively that Congress passed the first U.S. law prohibiting the
A) ?selling of pornographic materials. B) ?reproduction of prints. C) ?mailing of obscenity. D) ?printing of obscenity.
When a person provides both the genetic makeup and the environment in which another person lives, it is called __________
A) direct transmission B) indirect transmission C) concordance rate D) gene-environment correlation