Junior 4-H Rabbit Knowledge Practice Exam

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What is a mutation?

A temporary change in behavior
Changes in a gene expression differing from the original
A disease that can affect animals
An adjustment to environmental factors

The correct answer is: Changes in a gene expression differing from the original

A mutation is a permanent change in the genetic code, resulting in a change in the physical characteristics or behavior of an organism. Option A is incorrect because mutations are not temporary changes in behavior, but rather permanent changes in the genetic makeup of an organism. Option C is incorrect because not all mutations result in a disease, and it is not exclusive to animals. Option D is incorrect because mutations are not adjustments to environmental factors, but rather changes in the genetic code itself. Therefore, option B, changes in gene expression differing from the original, is the best explanation for a mutation.