Consider a Gene with Six Alleles A₁, A₂, A₃, A₄

question 105

Multiple Choice

Consider a gene with six alleles A₁, A₂, A₃, A₄, A₅, and A₆. How many distinct heterozygous genotypes are possible?

• A)3
• B)6
• C)9
• D)12
• E)15

---

Definitions:

Instrumental Conditioning

A training method whereby a behavior's intensity is altered through either positive reinforcement or negative punishment.

Startled

The act of experiencing a sudden, involuntary reaction to an unexpected event or stimulus, often involving physical movement.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response which is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Instrumental Conditioning

A learning process in which behavior is modified by the consequences of the behavior, through reinforcement or punishment.