WONDER #1972: Why Do Twins Look Alike?
Question 1 of 3
There are two kinds of twins: identical and what?
Question 2 of 3
Identical twins usually look alike because they share the same what?
Question 3 of 3
Twins are more common today because of what?
- global warming
- fertility medicine
Check your answers online at https://wonderopolis.org/index.php/wonder/Why-Do-Twins-Look-Alike.