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
Q24: A selection-mutation balance occurs when
A) mutation introduces
Q25: If the frequency of an allele is
Q26: Lactase persistence is controlled by
A) variation at
Q27: Variation may exist because environments have recently
Q28: Researchers looking for signs of recent natural
Q30: The hemoglobin S allele causes sickle-cell anemia.
Q31: Variation among groups at a single locus
Q32: Monozygotic twins are
A) twins derived from two
Q33: Selection can maintain variation within populations if
Q34: Variation among groups at a single locus
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