The period of female fertility during each Month is short For fextilization to take place intercouce must occur each a) A few hours before ovalation up to 4-5 days after avulation
b) Around 24 hours before ovulation up to around. 24 hours after ovulation
C) Sometimes between 2-3 days before ovulation upto 2-3 days after ovulation
d) Around 4-5 days before ovulation upto a few hours after ovulation
E) Around 4-5 days before ovulation upto 4-5. after ovulation.

The so called fertility window is the days in the menstrual cycle when conception is ... Ovulation usually occurs 14 days prior to your period starting.

Explanation:

It isn't any of your selections but I hope it helped for the choices to decide which one would go to the paragraph I have given

cell regulation is conducted by special proteins.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.