The next questions refer to the following table, which compares the % sequence homology of four different parts (two introns and two exons) of a gene that is found in five different eukaryotic species. Each part is numbered to indicate its distance from the promoter (e.g., Intron I is the one closest to the promoter) . The data reported for species A were obtained by comparing DNA from one member of species A to another member of species A.
% Sequence Homology
-Regarding these sequence homology data, the principle of maximum parsimony would be applicable in
Definitions:
External Anal Sphincter
Ring of striated muscular fibers surrounding the anus.
Inferior Oblique
A muscle in the orbit of the eye that controls elevation of the eyeball and helps in movements such as looking upward.
Lateral Rectus
A muscle in the eye that controls lateral movement of the eyeball, moving it away from the midline.
Superior Oblique
A cranial nerve-controlled muscle in the eye that helps in rotating the eye downwards and outwards.
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