Question #6425738Single Choice

Biology

Question

In a study, two genetically identical mouse populations are raised in different environments: one in a stimulating environment with toys and exercise, and the other in an isolated, unstimulating environment. The mice from the stimulating environment show improved learning and memory. What is the most likely explanation for this difference?

Options

Mutations in the brain cells of the isolated mice.

Epigenetic changes in the brains of the stimulated mice.

Deletion of memory-related genes in the isolated mice.

Genetic drift within the populations over time.

Answer & Analysis

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