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Summary
DescriptionHomology vertebrates-en.svg
English: The principle of homology: The biological derivation relationship (shown by colors) of the various bones in the forelimbs of four vertebrates is known as homology and was one of Darwin’s arguments in favor of evolution.
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The ulna of the human arm is compared as a homologous structure to the corresponding bone in the legs of dogs, the wings of birds, and the pectoral fins of whales.
Comparació entre el braç dels humans i les estructures homòlogues dels gossos, ocells i balenes.