Question

A hypothetical phylogenetic tree depicting the evolutionary relationship between three species is shown. What evidence would require a research biologist to revise the phylogenetic tree?

Answer 1

C) A mutation that arose in species A and C is not present in species B.

Explanation: Since DNA common sequences (and differences) can be used to compare relatedness among species, it would be unlikely that the exact same mutation occurred in A and C that did not occur in B. This would weaken the hypothesis modeled in the tree as shown.

Answer 2

C

Step-by-step explanation: