Kia and mia are monozygotic twins. at birth, they were separated and adopted by different families. kia grew up in los angeles. mia grew up in new york city. given the research, you would expect kia and mia to

I believe the answer is: share the same degree of genetic similarity as twins reared together

Monozygotic twin is what people usually called identical twin. During the reproduction process, both fetuses were developed from one zygote, which splits and forms two embryos, or zygotic, making their genetic composition become almost always the exact same.