The Finding That Homeotic Genes Are Present in Both Mammals

question 36

Multiple Choice

The finding that homeotic genes are present in both mammals and insects indicates that these genes must

• A)control the same traits.
• B)be on the same chromosomes.
• C)have arisen very early in the evolutionary history of animals.
• D)have developed simultaneously.
• E)code for the exact same proteins.

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Definitions:

Vivid Scenes

Vivid scenes refer to highly detailed and clear images or descriptions, often evoking strong mental or emotional responses.

Aversion Therapy

A form of psychological treatment where an undesirable behavior is paired with an unpleasant stimulus to reduce the behavior's occurrence.

Negative Reinforcement

A process in behavior analysis where the removal of an unpleasant stimulus strengthens a behavior, increasing the probability of its occurrence.

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, leading to a learned response.