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charle [14.2K]
3 years ago
14

What's a major assumption when drawing evolutionary relationships between organisms?

Biology
1 answer:
Xelga [282]3 years ago
5 0

Based on DNA sequences, it is believed that changes in nucleotide sequence between two species are equivalent to the time that has elapsed since the two species diverged from their common ancestor. Gene sequencing is being used in addition to morphology to determine evolutionary relationships between organism. Homologous sequences show greater evolutionary relationship


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