What Is the Difference Between Whole-Chromosome Aberrations and Point Mutations

question 51

Multiple Choice

What is the difference between whole-chromosome aberrations and point mutations?

• A)Point mutations are not permanent changes in the DNA; aberrations are permanent.
• B)Aberrations are not permanent changes in the DNA; point mutations are permanent.
• C)Point mutations are the loss of parts of chromosomes; aberrations are the loss of whole chromosomes.
• D)Point mutations affect a single base pair in the genome; aberrations affect a large section.

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Definitions:

Inhibitory

Relating to or resulting in the suppression or hindrance of a process, especially in the context of neurological or biochemical functions.

Axon Terminal

The endpoint of an axon where neurotransmitters are released to communicate with other neurons or muscles.

Dendritic Spine

Protrusion that greatly increases the dendrite’s surface area; typical point of dendritic contact with the axons of other cells.

Postsynaptic Membrane

A specialized area of a neuron's cell membrane that receives neurotransmitters from another neuron at a synapse.