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In evolutionary theory, homologous traits are those with a similar structure and function derived from a common ancestor. Analogous traits represent adaptations to a similar environment, but from distantly related organisms. Consider the structure and function of the flagella found on eukaryotic and prokaryotic cells. Are the flagella an example of a homologous or analogous trait? Defend your answer.

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luisvaschetto

Answer:

Prokaryotic flagella are analogous to eukaryotic flagella-like structures

Explanation:

Beyond that they have the same function, flagella from prokaryotes have very little in common with flagella from eukaryotic organisms. Eukaryotic flagella are composed of microtubules. On the other hand, bacterial flagella are composed of polymers of flagellin, which is another unrelated protein. Homologous structures indicate the existence of a common origin (common ancestry), and it is not the case.

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