Mutations and Polymorphisms Are Both Changes in a DNA Sequence,but

question 27

Multiple Choice

Mutations and polymorphisms are both changes in a DNA sequence,but polymorphisms are more common because

• A)they less severely affect the phenotype,so that individuals can reproduce and transmit them.
• B)more people have them.
• C)mutations are always lethal.
• D)mutations refer to a real situation,whereas a polymorphism is an idealized state hypothesized by biologists to explain genetic change.

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Definitions:

Risk environments

Contexts or situations where there is the presence of significant uncertainty and potential for loss or harm.

Uncertain

The state of being unsure or having doubts, often leading to indecision.

Complete certainty

A state or condition where all aspects and outcomes are known, with no ambiguity or risk.

Classical decision

A decision-making approach based on rational analysis and choice, often associated with maximizing outcomes using a clear set of preferences and information.