A Population Carries Two Alleles for a Trait in Which

question 110

Multiple Choice

A population carries two alleles for a trait in which T is dominant and t is recessive. In the Hardy-Weinberg equation, q2 represents:

• A)the proportion of homozygous dominant individuals.
• B)the decrease in heterozygous individuals.
• C)the proportion of homozygous recessive individuals.
• D)the increase in homozygous individuals.
• E)the proportion of heterozygous individuals.

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Definitions:

Na+

Sodium ions, essential for conducting nerve impulses and maintaining the balance of fluids in the body.

Plasma Membrane

The semipermeable membrane surrounding the cytoplasm of a cell, controlling the movement of substances in and out of the cell.

Potential Difference

Difference in electrical potential, measured as the charge difference across the plasma membrane.

Hyperpolarization

An increase in a cell's membrane potential, making it more negative and less likely to fire an action potential.