Extinction Occurs in Classical Conditioning When the ________ No Longer

question 25

Multiple Choice

Extinction occurs in classical conditioning when the ________ no longer produces the ________.

• A)CS;US
• B)CS;CR
• C)US;CR
• D)US;UR

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Definitions:

Dizygotic Twins

Also known as fraternal twins, are two siblings born at the same time as a result of two different eggs being fertilized by two different sperm cells, sharing 50% of their DNA.

Zygote

The initial cell formed when a sperm fertilizes an egg, representing the earliest stage of embryonic development.

Cystic Fibrosis

A fatal genetic disorder in which mucus obstructs the lungs and pancreas.

Recessive Gene

A gene that produces its characteristic phenotype only when its allele is identical or when the dominant allele is not present.