Multiple Choice
A balanced polymorphism is a
A) balance between mutation and selection.
B) balance between selection and drift.
C) state in which two alleles remain in a population because of heterozygote advantage.
D) state in which environmental and genetic causes of a trait (a "morph") are roughly equal.
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Which of the following describes sickle-cell anemia?<br>A)
Q4: Physical traits such as weight<br>A) are determined
Q5: How are modern humans genetically different from
Q6: A selection-mutation balance occurs when<br>A) mutation introduces
Q7: If variation in a trait is largely
Q9: Genetic variation within local groups reflects about
Q10: The hemoglobin S allele causes sickle-cell anemia.
Q11: _ tends to blur the effects of
Q12: Variation refers to _ between individuals or
Q13: Variation in height is heritable within groups.