Aniridia Is a Human Condition in Which the Eye Has

question 55

Multiple Choice

Aniridia is a human condition in which the eye has no iris. The protein encoded by the gene responsible for aniridia is very nearly identical to the protein product of the fly Eyeless protein. What experiment could provide evidence that the two genes are functionally equivalent?

• A)Introduce the aniridia mutation into Drosophila embryos to look for iris formation.
• B)Sequence the Eyeless and aniridia DNA sequences and regulators.
• C)Use the Eyeless mRNA as a probe in other invertebrate and non-mammalian species.
• D)Introduce the mouse aniridia wild-type sequence into the fly egg to see whether mouse eyes develop.
• E)Introduce the mouse aniridia wild-type sequence into the fly egg to see whether fly eyes develop.

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Definitions:

Inspirational Appeals

The use of emotions to raise enthusiasm for the task by appealing to the values and ideals of others.

Personal Appeals

Requests or messages that are made on a personal level, often involving emotional or relational elements, to persuade or influence.

Ingratiation

A strategy of winning favor and putting oneself in the good graces of others before making a request.

Rational Appeals

The use of logic, reason, and evidence to convince another person that cooperation in a task is worthwhile.