The gene sequence of the p53 protein illustrates
A. near complete dissimilarity of gene sequence between organisms yet shows a similarity in function for a protein.
B. greater similarity within closely related groups, but differences from other groups.
C. evolutionary relatedness of primates, other mammals, birds, and fish.
D. greater similarity within closely related groups, but differences from other groups and evolutionary relatedness of primates, other mammals, birds, and fish are correct.
E. no connection between any of the nine animals and their p53 gene sequence.
D. greater similarity within closely related groups, but differences from other groups and evolutionary relatedness of primates, other mammals, birds, and fish are correct.
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Fossils of Thrinaxodon, a species that lived during the Triassic period, have been found in both South Africa and Antarctica. Thrinaxodon had a reptile-like skeleton and laid eggs, but small depressions on the front of its skull suggest it had whiskers
and, therefore, fur. Thrinaxodon may have been warm-blooded. The fossils of Thrinaxodon are consistent with the hypothesis that _____. A) fossils found in a given area look like the modern species in that same area B) the environment where it lived was very warm C) mammals evolved from a reptilian ancestor D) Antarctica and South Africa separated after Thrinaxodon went extinct
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a. True b. False Indicate whether the statement is true or false
__________ is the arrival of pollen grains on a receptive stigma. Fill in the blank(s) with the appropriate word(s)
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