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The significance of a hierarchical pattern of genetic similarity among species (two squirrels that are more similar to each other than either is to a mouse, two rodents are more similar to each other than either is to ungulates, two mammals are more similar to each other than either is to a frog etc) is that

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Final Answer:

The correct option that explains the significance of the observed hierarchical pattern of genetic similarity among species is suggests a common evolutionary ancestry. Therefore, the correct option is B.

Therefore, the correct option is B.

Step-by-step explanation:

This pattern suggests that there is higher genetic similarity between species that have a more recent common ancestor. The idea of phylogenetics, which establishes the relatedness of species based on similar genetic traits inherited from a common lineage, is supported by the hierarchical structure.

By reflecting the evolutionary links between species and aiding in the construction of phylogenetic trees, this genetic similarity helps explain the branching points in the history of life.

The fundamental idea of common ancestry that is supported by the observed genetic patterns is not adequately represented by options a, c, or d.

Therefore, the correct option is B.

Your question is incomplete, most probably the complete question is:

"What is the significance of the observed hierarchical pattern of genetic similarity among species, where two closely related species share more genetic similarity than either does with a more distantly related species? Select the most appropriate statement:

a. It reflects the influence of convergent evolution.

b. It suggests a common evolutionary ancestry.

c. It indicates random genetic variation.

d. It demonstrates the impact of environmental factors.

Choose the correct option that explains the significance of the hierarchical genetic similarity pattern observed among different species."

User Mark Anderson
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