Which of the following is false?

a. All mammals have either an estrous or a
menstrual cycle.
b. Some primates have a menstrual cycle.
c. Some female primates may be physically and
behaviorally receptive to sexual activity at any
time.
d. About 10% of detected pregnancies end in
miscarriage.
e. Mifepristone (RU-486) is approved to indiuce
abortion any time during the first six months.


Answer: e

Biology & Microbiology

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