During an Experiment Assessing the Development of a Fly Embryo

question 81

Multiple Choice

During an experiment assessing the development of a fly embryo, a scientist artificially turns on a homeotic gene that controls eye development in somatic cells that develop into the wings. Which of the following is the most likely outcome of this experiment?

• A)A normal adult fly will develop.
• B)A mutant adult fly will develop that has eyes on its wings.
• C)A mutant adult fly will develop that has legs on its head.
• D)A mutant adult fly will develop that has no eyes on its head but has eyes on its wings.

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Definitions:

Genital Areas

Parts of the body involved in sexual reproduction and function, typically including the external sex organs.

Excitement Phase

The initial phase in the human sexual response cycle, characterized by a buildup of sexual arousal and physical responses.

Lubricant

A substance (such as oil or grease) applied to surfaces to reduce friction between them, making movement easier and preventing wear or damage.

Testosterone Level

A measure of the concentration of testosterone, a hormone associated with male secondary sexual characteristics, in the blood.