Final answer:
Human genes placed into mice can function properly due to similarities in protein structures between human and mouse genes.
Explanation:
The proteins made by human genes are similar to the proteins made by mouse genes.
When human genes are placed into mice, they can function properly even when the genes vary by more than 60% because the proteins produced by human genes have similarities with the proteins made by mouse genes. This similarity allows the human genes to function effectively within the mouse biological system, despite the genetic differences.
Genetic Code, Protein Synthesis, Evolution
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