What is the function of homology in understanding evolution?

What is the function of homology in understanding evolution?
  1. It is used to understand the adaptations that different animals have made to their environment
  2. It is used to understand the common ancestry of different animals
  3. It is used to understand the genetic makeup of different animals
  4. It is used to understand the physical characteristics of different animals

Solution

Homology is used to understand the common ancestry of different animals by identifying similarities in the structure of different animals that indicate a common ancestor.

Asked in: NCERT

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