The effects of mutations can vary widely, from being beneficial, to having no effect, to having lethal consequences, and every possibility in between. The majority of mutations have neither negative nor positive effects on the organism in which they occur.
For each example, classify the mutation as having positive, negative, or neutral effects.
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Positive Mutation Negative Mutation Neutral Mutation
Example 1: A mutation that allows an organism to resist a certain type of disease.
Positive Mutation
Example 2: A mutation that causes a genetic disorder such as cystic fibrosis.
Negative Mutation
Example 3: A mutation that changes the color of an organism's fur but has no impact on its survival.
Neutral Mutation