Scientists were studying the DNA from Antarctic fish, including two species of icefish, that have no hemoglobin in their blood. They constructed the following cladogram.
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![Scientists were studying the DNA from Antarctic fish including two species of icefish that have no hemoglobin in their blood They constructed the following clad class=](https://us-static.z-dn.net/files/dec/54de513c4985ec0fb2d7d20ca362a682.png)