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
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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!