A Lot of Your DNA Is Inherited "Junk": It Doesn't

question 14

Multiple Choice

A lot of your DNA is inherited "junk": It doesn't code for any protein and has no known function in gene regulation.How do nucleotide sequences of "junk DNA" evolve?

• A)They evolve through genetic drift and other chance processes.
• B)They evolve by gradually being eliminated from the gene pool.
• C)They evolve to be more useful by taking on new functions.
• D)They evolve through natural selection.

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Definitions:

Negative Symptoms

Features often associated with schizophrenia, including lack of motivation, diminished emotional expression, and reduced social engagement.

Emotional Symptoms

Feelings or emotions that are indicative of a mental health condition, such as sadness, anxiety, or irritability.

Anhedonia

A loss of pleasure or interest in almost all activities or a lack of reactivity to usually pleasurable events.

Alogia

A reduction in the amount of speech output, often observed in individuals with schizophrenia or other mental health disorders.