What Is the Term for a Person Who Carries Two

question 166

Multiple Choice

What is the term for a person who carries two dominant or two recessive genes for a particular trait?

• A)heterozygous
• B)homozygous
• C)codominant
• D)corecessive

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Definitions:

Cell Membrane

The thin, flexible barrier that surrounds cells, controlling the movement of substances in and out of the cell.

Action Potential

A short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, facilitating neural communication.

Absolute Refractory Period

A phase during the action potential of a neuron in which it is impossible for the neuron to fire again, regardless of the strength of any incoming stimuli.

Neural Impulse

Also known as an action potential, it is the electrical signal that travels along the axon of a neuron.