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homologous organs |
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homologous organs Etymology: Gk, homos, same, logos, relation, organon, instrument body parts of different species (or sexes) that are structural equivalents, such as the arms of humans and the forelegs of dogs and cats. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Consider the obstacles involved: The genes that initiate wing formation in a bird or insect may do nothing in a human (or may activate homologous organs, such as arms); these genes would have to be altered to allow a wingspan of some 20 feet; and the human's entire genome would have to be transformed to create the lighter bones and stronger muscles required for flight. Consider the obstacles involved: The genes that initiate wing formation in a bird or insect may do nothing in a human (or may activate homologous organs, such as arms); these genes would have to be altered to allow a wingspan of some 20 feet; and the human's entire genome would have to be transformed to create the lighter bones and stronger muscles required for flight. |
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