The adaptive fitness of a mutation is based on
A) the number of loci involved.
B) the extent of its phenotypic effects.
C) how often it occurs.
D) the environment in which the species lives.
Correct Answer:
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Q3: Mutations
A)occur at random.
B)happen when they are needed
Q4: Clustered groups within a species are called
A)races.
B)subspecies.
C)varieties.
D)breeding
Q5: We sometimes have difficulty determining the identity
Q6: Fission produces new populations that
A)are genetically identical.
B)eventually
Q7: When a population splits into two or
Q9: Mutations are
A)always harmful.
B)always more beneficial than previous
Q10: Evolution takes place within
A)individuals.
B)cells.
C)the DNA of the
Q11: Genetic drift is more effective in
A)large populations.
B)populations
Q12: In the example of Darwin's finches,there were
Q13: The abnormal allele for sickle cell is
A)dominant.
B)recessive.
C)codominant.
D)neutral.
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