Question

wheb you are exposed to sunlight for a long time, your skin, which otherwise appears normal, gets heavily tanned.what could be the reason?

Answer 1

a.)the genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage when its exposed to sunlight for a long time.
b.)the genes for melanin pigmentation remain turned off and synthesize more melanin than usual to protect skin from photo-damage when it is exposed to sunlight for a long time.
c.)the genes for melanin pigmentation are switched off to stop synthesis of melanin to protect skin from photo-damage when it is exposed to sunlight for a long time

Answer 2

@GabeBae

Answer 3

@Dqswag

Answer 4

@Rushwr

Answer 5

@MLGgamer

Answer 6

B is the answer ! :)
Excess melanin is the reason for dark skin.
The people in countries near equator have dark skin because they have more melanin in their skin.