Sickle cell anemia is found
A) only in blacks.
B) only in tropical regions.
C) only in people who have had malaria.
D) in whoever inherits the mutant genes.
Correct Answer:
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Q2: The form of genetic drift that involves
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
Q8: The adaptive fitness of a mutation is
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
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