A Genetic Signature for Positive Selection Is

question 17

Multiple Choice

A genetic signature for positive selection is

• A)a gene sequence present in humans and other primates,but with at least one amino acid difference in the encoded protein in humans.
• B)a gene that is unique to humans.
• C)a gene sequence present in humans and other primates,but with no amino acid sequence differences.
• D)a gene that encodes a protein that makes the individual more sexually attractive.

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Definitions:

Heroin

A narcotic substance derived from morphine, originating from the seed pods of opium poppy plants, known for its strong addictive properties and illegality.

Respiratory Failure

A medical condition in which the respiratory system fails in one or both of its gas exchange functions: oxygenation and carbon dioxide elimination.

Amotivational Syndrome

A continuing pattern of apathy, profound self-absorption, detachment from friends and family, and abandonment of career and educational goals evident in some long-term users of cannabis.

Long-Term Cannabis Users

Individuals who have used cannabis over a prolonged period, potentially leading to various cognitive and medical effects.