Two women are comparable in age, body conformation, and are pregnant at the same time, but one experiences stretch marks, while the other does not. What would be a possible hypothesis for why there was an observed difference?
A) The woman with stretch marks has a greater collagen-to-elastic fiber ratio.
B) The woman may have different gender babies.
C) The woman with less stretch marks has larger skin cells.
D) The woman without stretch marks has more cholesterol in her diet, which affects her cell membranes.