Were you adopted, and did that happen to you? Maybe there is satisfaction in knowing of the genetic connection. My daughter is growing up with lots of online contact with her genetic siblings. The genetic tendencies are wild, some similarities blow us away. But her parents are clearly US and not anyone else. Parenting is a verb. Genetics is interesting but not of the heart per se. Love overrules genes any day.
Yes, I was adopted at birth. Closed adoption. I have been reunited with all of my biological family.
Yes, it is good that your daughter has connection to her bio siblings. I’m sure it helps her develop a sense of connectedness. People who are raised with biological family really have trouble comprehending it. Of course you are her parent, that is very important, and the fact that you are honest with her is crucial, but don’t understand estimate the role of genetics and biology.