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(C) Molecular homology refers to the similarity in the molecular structure of biological molecules such as $DNA$,$RNA$,and proteins across different s

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Molecular homology

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(C) Molecular homology refers to the similarity in the molecular structure of biological molecules such as $DNA$,$RNA$,and proteins across different species. Since humans and apes share similar blood proteins and have comparable base sequences in their nucleic acids,it indicates a common ancestry. This similarity at the molecular level is a strong piece of evidence for evolution,demonstrating that these organisms have inherited these traits from a common ancestor,which is the definition of homology.

In evolution,studies can be conducted at the molecular level. For example,proteins found in the blood of humans and apes are similar. The base sequences in nucleic acids and amino acid sequences in proteins are similar in related organisms. What do all these examples specifically refer to?

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