A node on a phylogenic tree represents:
A. The most recent common ancestor
B. The most recent common trait
C. Uncommon trait
D. Uncommon ancestor
Ans: A. The most recent common ancestor
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Albinism is a recessive disorder in which the skin and hair fail to produce pigment. The following question(s) ask you to evaluate the pedigree chart shown here in which "N" is the allele for normal pigmentation and "n" is the allele for albinism. The shaded circles for Deirdre and Shannon represent the only individuals expressing the disorder.
According to the pedigree above, who is a not a carrier of albino?
A. Aaron B. Bill C. Brandon D. All of the above are carriers of albino
From an evolutionary point of view, what important process occurs when a young male baboon leaves the troop that he was born in to join another troop?
The genetic material of a prokaryotic cell is located in its:
A. nucleolus. B. nucleus. C. nucleoid. D. nucleosome.
The evolutionary history of a species or a group of them is referred to as:
1.phylogeny 2.morphology 3.taxonomy 4.classification