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  Most people seem to accept that genetic analysis can show us how closely related two people...

  Most people seem to accept that genetic analysis can show us how closely related two people are, such as for paternity testing, but some have a more difficult time accepting that genetics shows us how closely related to other animals we are, and even to plants and all other life. Why might that be?

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Answer #1

It is not surprising that all animals and plants have the majority of their genes in common. The sugar oxidised by the same mechanism to release their energy. Analysis of genetic similarity showed that plants were the first to diverge from a common stem and that animals and fungi evolved later from a common ancestor similar to single celled eukaryotes.

Our hands contain bones almost perfectly like-for-like with the bones in the flat paddle of a dolphin's fin, and with a horse's front legs, and a bat's Wings. These are analogous structure- they perform similar functions.

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