All of the Following Statements Are True EXCEPT

question 11

Multiple Choice

All of the following statements are true EXCEPT:

• A) variable resistors, called rheostats or potentiometers, are also used to control the speed and intensity of electrical loads.
• B) a rheostat varies current flow through the circuit as a movable wiper runs along a resistor.
• C) a potentiometer varies the voltage in a circuit.
• D) a variable resistor is commonly called a "volt," whether it is a potentiometer or a rheostat.

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Definitions:

Dominant Allele

An allele that expresses its phenotypic effect even when heterozygous with a recessive allele; it masks the effect of a recessive allele.

Heterozygous Individuals

Individuals having two different alleles at a particular genetic locus, one inherited from each parent.

Phenotypic Expression

The observable physical and physiological traits of an organism, which result from the interaction between its genetic makeup and environmental influences.

Human Mutations

Changes or alterations in the genetic material of humans, which can lead to variations in physical or physiological traits.