CBSE Notes, Lectures

CBSE - Biology - Heredity and Evolution

Heredity and Evolution

Long Answer Type

All the human races like Africans, Asians, Europeans, Americans and others might have evolved from a common ancestor. Provide a few evidences in support of this view.

All the human races appears to be different but they have a large number of common characters. The list of common characters can be very long but we can make a shorter list.
• Similar size of brain.
• Bipedal locomotion
• Hair of body.
• Ability to handle tools.
• Ability to communicate using language.
• Highly complex social behavior.
• Same body design
All these characters show a common ancestry for all human races. Moreover, the fact that all human beings are able to interbreed keeps them under the same species. 

.