Difference between orthologs and paralogs

Reference no: EM1395371

Question: The evolution of microbial oxygenic photosynthesis about 2 billion years ago lead to one of the most significant biological radiations known to man. (the precambrian explosion of diversity in eukaryotes) Can you explain why?

Question: What is the difference between orthologs and paralogs and why are only orthologous comparisons useful for determining evolutionary relationships?

Reference no: EM1395371

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