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A scientist is attempting to build a cladogram that shows the evolutionary closeness of three organisms in relation to humans. After doing DNA analysis, they determine that the organisms share the following percentages of DNA: Organism A and humans share 85\% of their DNA. Organism B and humans share \( 80 \% \) of their DNA. Organism C and humans share \( 90 \% \) of their DNA. Based on this information, which order should they go on the cladogram (from least related to most related)? (1 point) C, B, A humans A B, C, humans B, A. C. humans C. A. B, humans

Ask by Frazier Henry. in the United States
Mar 12,2025

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The order from least related to most related is B, A, C, humans.

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Mind Expander

To construct the cladogram, we should organize the organisms based on how closely they are related to humans, starting from the one least related to the one most related. Since Organism C shares 90% of DNA with humans, it is the most related. Next is Organism A, with 85%, followed by Organism B at 80%. So, the correct order from least related to most related would be B, A, C, humans. To visualize this better, think of a family tree where the closer the branches, the more DNA they share! Organism C is like your sibling, closely related, while Organism B is more like a distant cousin. Each percentage shows just how tightly they share that genetic bond, making it a fascinating way to trace back through evolution!

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