1. species y and z have very different genes. species a and b have only a few different genes. what is most likely true about these species? (1 point)
species y and z are more closely related to each other than species a and b are to each other.
species a and b are more closely related to each other than species y and z are to each other.
species y is the ancestor of species a and species z is the ancestor of species b.
all four of these species are probably equally related to each other.
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