How does migration impact cultural identity? It has no effect on cultural identity. It isolates cultural groups from each other. It only strengthens existing cultural norms. It can lead to the blending of different cultural traits.

Migration can have a significant impact on cultural identity. It can lead to the blending of different cultural traits, as people from different backgrounds come together and interact. This can result in the exchange of ideas, traditions, and customs, leading to a more diverse and enriched cultural identity. Therefore, the correct answer is: It can lead to the blending of different cultural traits.