Question

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Explain the ways in which evolutionary relationships can be traced​

Answer 1

The original idea behind tracing such relationships was to identify the changes occurring in DNA during reproduction. The idea at present is called molecular phylogeny. Comparing the DNA of different species helps to give a direct account of changes that occurred in DNA during the formation of specific species.

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Answer 2

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Evolutionary relationships can be traced by studying fossils, by studying homologous and analogous organs, by comparing the embryos of different animals and by comparing the DNA's of different species.