Scientists conducted research to examine the evolutionary relationship between 10 bird species and an alligator species. They isolated the amounts of the dinucleotides cytosine and guanine found in the genomic DNA of each species. The graph shows the traditional taxonomic groups of the bird species used and the average percentage of dinucleotides in their DNA.
Scientists conducted research to examine the evolutionary relationship between 10 bird species and an alligator species. They isolated the amounts of the dinucleotides cytosine and guanine found in the genomic DNA of each species. The graph shows the traditional taxonomic groups of the bird species used and the average percentage of dinucleotides in their DNA.
Chapter17: Aquaculture Business
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Scientists conducted research to examine the evolutionary relationship between 10 bird species and an alligator species. They isolated the amounts of the dinucleotides cytosine and guanine found in the genomic DNA of each species. The graph shows the traditional taxonomic groups of the bird species used and the average percentage of dinucleotides in their DNA.
Which of the following statements is best supported by the DNA evidence?
A - Gamebirds likely evolved after non-perching birds.
B - A bird’s ability to fly may be linked to its dinucleotide percentage.
C - The dinucleotide percentages demonstrate coevolution of all species.
D - Non-perching birds are more similar genetically to alligators than flightless birds.
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