Drosophila Larvae (Wt) Showing Segmentation and Anterior-Posterior Axis

question 52

Multiple Choice

Drosophila larvae (wt) showing segmentation and anterior-posterior axis.
Refer to the image above to answer the following questions.
-What would happen if the larvae developed a mutation in the bicoid gene?

• A)Nothing.
• B)The larvae would have two heads.
• C)The larvae would have two tails.
• D)The larvae would be an embryonic lethal.
• E)The larvae would develop normally, but its offspring would be embryonic lethal.

---

Definitions:

Operant Conditioning

A learning process through which behavior is shaped and maintained by its consequences, including reinforcements and punishments.

Extinction

Extinction in behavioral psychology refers to the gradual weakening and disappearance of a conditioned response when the reinforcement is no longer provided.

Extinction

In behavioral psychology, the process whereby a learned response is reduced or eliminated, often as a result of repeated absence of the expected reinforcement.

Conditioned Stimulus

A previously neutral stimulus that, after being associated with an unconditioned stimulus, elicits a conditioned response.