Several of the Different Globin Genes Are Expressed in Humans

question 16

Multiple Choice

Several of the different globin genes are expressed in humans, but at different times in development. What mechanism could allow for this?

• A) exon shuffling
• B) intron activation
• C) pseudogene activation
• D) differential translation of mRNAs
• E) differential gene regulation over time

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Definitions:

Colour Vision

The ability of the visual system to distinguish and perceive different wavelengths of light as distinct colors.

Proximal Stimulus

The physical energy from a stimulus that directly interacts with sensory receptors, such as light hitting the retina.

Information Processing

A cognitive approach that emphasizes the ways in which people encode, store, and retrieve information.

Vision

The sense that allows the perception of light, shapes, and colors, facilitating the ability to navigate the environment.