For a sperm cell to fertilize an ovum, sexual intercourse must occur no more than ___ hours before ovulation.
a. 12
b. 24
c. 48
d. 72
e. 90
Answer: C
For a sperm cell to fertilize an ovum, sexual intercourse must occur no more than ___ hours before ovulation.
a. 12
b. 24
c. 48
d. 72
e. 90
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.