Human Skin Color Evidence for Selection Answers
This delicate balancing act explains why the peoples that migrated to colder geographic zones with less sunlight developed lighter skin color. Human populations living in areas of intense sunlight tend to be darker skinned because of the increases UV light. Human Skin Color Evidence For Selection These markers link the members of a haplogroup back to the markers first appearance in the groups most recent common ancestor. . The answer to why skin color is different for different individuals lies within your DNA. Evidence for Selection INTRODUCTION. Describe the predicted effects of using a tanning booth which exposes skin to UV light on the blood levels of these two vitamins 22. Many biological traits have been shaped by natural selection. Skin colour is linked to evolutionary ļ¬tness through the amount of melanin an individual has. Many biological traits have been shaped by natural selection. As people move...