Multiple choice

Gloger's Rule states that

  1. There should be a random distribution around the world of people having very little concentration of skin pigmentation.

  2. Dark skin provide benefit for individuals residing in far northern latitudes.

  3. In series of generations, natural selection is mainly responsible for variation in skin complexion.

  4. There is a uniform distribution around the world of people on the basis of skin pigmentation.

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

There is a selective advantage for people with dark complexion in regions of intense solar radiation. Similarly, light complexion is an advantage in areas with significantly less sunlight. This is due to the fact that melanin is a protective shield.