In humans, the __________ signals the onset of ovulation within 12 to 24 hours.
a. change in the cervical mucus to white and sticky
b. LH surge
c. onset of bleeding
d. sudden increase in sexual interest
Question 2
If a woman keeps track of her menstrual cycles and finds that the shortest was 24 days and the longest was 32 days, what is the fertile (unsafe) period to avoid sexual intercourse according to the calendar method?
a. day 14 plus or minus 2
b. day 6 to day 21
c. day 7 to day 22
d. day 20 to day 28
Relationship between the number of CAG repeats in a gene and the age of onset of Huntington disease.
Change in air temperature at various air flow rates for a 7 pass operation
Defining Climate Change
Climate Change
Gastrulation and the onset of organ formation.
The migration of modern humans out of Africa