"Balanced Polymorphism" Means That

question 46

Multiple Choice

"Balanced polymorphism" means that:

• A)Many genes that affect the same trait persist indefinitely in a population
• B)Multiple alleles of a gene persist indefinitely in a population
• C)Only a dominant and recessive allele exist for each trait in a population
• D)Many traits persist in a population that are controlled by only a single allele
• E)None of the above are correct

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Definitions:

Tentorium Cerebelli

A fold of the dura mater that separates the cerebellum from the inferior portion of the occipital lobes.

Falx Cerebri

A strong, arched fold of dura mater that descends vertically in the longitudinal fissure between the two cerebral hemispheres of the brain.

CNS

Central Nervous System, comprising the brain and spinal cord, responsible for processing and transmitting information throughout the body.

Brainstem

The central trunk of the brain, consisting of the medulla oblongata, pons, and midbrain, and responsible for regulating vital functions.