Ivan Pavlov Studied the Reflexive Flow of Saliva in Dogs

question 106

Multiple Choice

Ivan Pavlov studied the reflexive flow of saliva in dogs. He used meat powder or other food to trigger the salivation. It was later observed that the salivation in the dog was triggered when the dog saw its dog dish, even before the food was placed in it. In this instance, the dog dish is the ________.

• A) conditioned stimulus
• B) unconditioned stimulus
• C) conditioned response
• D) unconditioned response

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Definitions:

Monozygotic Twins

Twins that develop from a single fertilized egg, sharing identical genetic material.

Identical Twins

Twins that originate from a single fertilized egg, splitting and developing into two genetically identical individuals.

Allele

A member of a pair of genes.

Homozygous Trait

A genetic condition where an individual inherits identical alleles for a particular gene from both parents.