Biol 320 Final Exam Newest 2025/2026 Actual Exam
Complete Questions And 100%Correct Answers
(Verified And Graded A+)
What are true of the process of retroposition and the
resulting duplicated genes? - ANSWER-Involves reverse
transcription of mRNA back into DNA.
Includes integration of reverse transcribed DNA back into
the genome.
Can often be recognized by the presence of region that
codes for a poly-A tail.
The term _______ refers to the physical manifestation of a
genotype. - ANSWER-phenotype
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Given the genotype frequencies below, determine the
observed frequencies of the two alleles in the population
(p and q). Assume the population consists of 100
individuals, and that B = p and b = q.
Observed Genotype frequencies:
BB = 0.39
Bb = 0. 40
bb = 0.21 - ANSWER-Observed Allele frequencies:
p = 0.59
q = 0.41
evolution
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Which of the following represent synapomorphies?
A. Wings in birds and bats
B. Nuclear envelope in the cells of Animals, Plants and
Fungi.
C. Camera eyes in vertebrates and mollusks.
D. Answer A and C are both correct.
E. Answers A, B and C are all correct. - ANSWER-B.
Nuclear envelope in the cells of Animals, Plants and
Fungi.
Jean-Baptiste Lamarck was the first naturalist to propose
a mechanism of evolutionary change. Although his
mechanism may seem silly given our modern
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understanding of genetics, Lamark was correct is his idea
that... - ANSWER-variation is introduced in the
evolutionary process in part by means of inheritance
Which of the following are false regarding Natural
Selection?
Natural Selection is not forward looking.
Natural Selection often leads to perfection.
Evolution by Natural Selection is a cumulative process.
Natural Selection acts on individuals, not for the good of
the species.