It really depends, think of it as 2 light bulbs in each parent. if both light bulbs in both parents are switched on that means their genes that they inherited are only able to have brown eyed babies, although if just 1 of the 4 light bulbs are not on it allows the baby to have blue eyes.
Answer:
puberty - is the name for the time when your body begins to develop and change as you move from kid to adult.
hormones - Hormones are chemical substances that act like messenger molecules in the body.
gender - Gender is used to describe the characteristics of women and men that are socially constructed,
I believe the answer is B, although im not exactly sure what a skin fold test is for, im sure this is the right answer.
The next step would be to call 911, as that is one of the first things you should ever do.