Both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose.
The second sentence describes Svetlana’s traits because, as you probably know, traits are characteristics that belong to a person such as a person’s height, sense of humor, physical distinctions, etc. That said one’s hair color, hobbies, eye color, and nose shape are all traits. The first sentence does not describe anything. All it says is that Svetlana is similar to her mother, which really tells us nothing by way of disclosing any trait because we know nothing of her mother.