Why Does a Person with Normal Chromosomes Only Have Two

question 15

Multiple Choice

Why does a person with normal chromosomes only have two alleles for any single gene trait?

• A)A minimum of two alleles is required for the expression of monogenic traits.
• B)When a dominant allele is paired with a recessive allele, only the dominant allele is expressed, and the recessive allele is silent.
• C)One allele for the monogenic trait is on the paternally derived chromosome, and the other allele is on the maternally derived chromosome.
• D)Expression of more than two alleles of any single-gene trait results in enhanced expression of recessive alleles and suppressed expression of dominant alleles.

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Definitions:

Conformity

The act of aligning one's attitudes, beliefs, or behaviors to match those of a group or social norm, often as a result of real or perceived group pressure.

Line Length

A measurement that represents the distance from one end of a line to the other end.

Automatic Processing

The unconscious and involuntary operations of the mind that enable complex tasks or procedures to be performed without conscious thought.

Controlled Processing

Involves conscious, deliberate decision making and thought, requiring attention and effort.