Mutations are
A) always harmful.
B) always more beneficial than previous forms of the gene.
C) the source of new genetic variation.
D) produced only when there is too much radiation or chemical pollutants.
Correct Answer:
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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
Q8: The adaptive fitness of a mutation is
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.
Q14: Members of the same species
A)all look the
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