If two species have similar proteins and genes it means?
Correct answer: B. They have common ancestors
- A. They have the same organs
- B. They have common ancestors
- C. They have similar appearance
- D. All of the above
Explanation
The correct answer is that similar proteins and genes indicate a common ancestor. This is because genetic material is passed down through generations, and similarities can trace back to a shared lineage. The incorrect options suggest misleading connections; for example, having the same organs or similar appearance can be influenced by various factors and do not necessarily correlate with genetic similarity.
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About Evolution
Evolution describes heritable change in populations over generations through variation, natural selection and adaptation. Lamarckism explains inheritance of acquired characteristics, while Darwinism explains selection of favourable inherited variations; these historical explanations must not be confused with the modern genetic account of evolutionary change.
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