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

question 50

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) they more severely affect the phenotype, so that individuals cannot reproduce and transmit them.
• E) mutations refer to a real situation, whereas a polymorphism is an idealized state that biologists hypothesized to explain genetic change.

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