The Following Questions Refer to the Information Below -What Probably Explains the Inclusion of Rabbits in This Research

question 84

Multiple Choice

The following questions refer to the information below.
A researcher compared the nucleotide sequences of a homologous gene from five different species of mammals with the homologous human gene. The sequence homology between each species' version of the gene and the human gene is presented as a percentage of similarity.
$$\begin{array} { l c } \text { Species } & \text { Percentage } \\\hline \text { Chimpanzee } & 99.7 \\\text { Orangutan } & 98.6 \\\text { Baboon } & 97.2 \\\text { Rhesus Monkey } & 96.9 \\\text { Rabbit } & 93.7\end{array}$$

-What probably explains the inclusion of rabbits in this research?

• A)Their short generation time provides a ready source of DNA.
• B)They possess all of the shared derived characters as do the other species listed.
• C)They are the closest known relatives of rhesus monkeys.
• D)They are the outgroup.
• E)They are the most recent common ancestor of the primates.

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