Three students have drawn alternate versions of the reference tree. Which tree o

Question

Three students have drawn alternate versions of the reference tree. Which tree or trees show the same relationships as this reference tree?

Select all that apply.

Select all that apply.

13.Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of sequence homology? Dogs and wolves _____.

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11.What must be TRUE of any organ described as vestigial?

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Explanation / Answer

1) the second tree in the options is the same as the reference tree because in the second tree we can see that corn and sorghum have the common ancestor as given in the reference tree also.

2) share a very recent common ancestor

3) vestigial organs are considered of evolution because they are homologous to structures functioning  normal in other species. hence third option is correct.

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