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The forelimbs of whales, bats, cheetahs and humans share similar anatomical structures and have humerus, radius, ulna, carpals, metacarpals and phalanges. Although this suggests that the forelimb bones in these organisms developed from a common ancestor, they were adapted for different functions. The most appropriate option that captures the evolution of these forelimb bones is:

Options

  1. ADivergent and orthologous
  2. BConvergent and homologous
  3. CDivergent and paralogous
  4. DConvergent and orthologous

Correct answer

A. Divergent and orthologous

Step-by-step solution

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