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Unformatted text preview: from placental animals. 3. Homologous structures: structures in species sharing common ancestor 4. The greater the number of differences in DNA and protein sequences between species, the less likely they share as close a common ancestry....
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This note was uploaded on 09/21/2011 for the course BIOG 1110 taught by Professor Randywayne during the Spring '09 term at Cornell.
- Spring '09