In a Cloning Experiment, You Use a Vector That Contains

question 13

Multiple Choice

In a cloning experiment, you use a vector that contains a lacZ gene near the unique restriction site. If the competent cells are grown on X-Gal and IPTG, which colonies would contain chromosomal DNA?

• A) The white colonies
• B) The blue colonies
• C) Half the total colonies
• D) None of the colonies

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Definitions:

Retina

The light-sensitive layer of tissue at the back of the inner eye which converts light into neural signals sent to the brain.

Cones

Photoreceptor cells in the retina of the eye that are responsible for color vision and function best in relatively bright light.

Color Vision

The ability of the eye to distinguish objects based on the wavelengths of the light they reflect or emit.

Depth Perception

The ability to perceive the world in three dimensions (3D) and to judge the distance of objects.