Vestigial Wings (Very Small Wings)are a Recessive Trait of the Fruit

question 19

Multiple Choice

Vestigial wings (very small wings) are a recessive trait of the fruit fly.For a fruit fly to have a vestigial phenotype,it must inherit the gene(s) for vestigial wings from ____.

• A)both parents
• B)either parent
• C)the mother
• D)the father

---

Definitions:

Extinction

In psychology, it refers to the gradual weakening and eventual disappearance of a conditioned response.

Negative Punishment

A behavioral modification technique involving the removal of a desirable stimulus to decrease the likelihood of a behavior recurring.

Negative Reinforcement

A behavior reinforcement strategy where the removal of an undesirable or aversive stimulus strengthens or increases the likelihood of a behavior.

Positive Reinforcement

The process of increasing the probability of a behavior by following it with a desirable event or outcome.