7. Explain the role of genetics in human development.
If a baby boy receives a dominant gene for brown
eyes and a recessive gene for blue eyes, what color
will his eyes be?

Both sexes because it is always romantic

The person who utilize the progression principle will keep adding the difficulty of the exercise that he's doing, while the person who does not, will only stay stagnant.  the person that utilize progression principle, will get a stronger endurance because now his body is conditioned to do harsher routines.{the answer was already on verified)