8. The Cause of One Eye’s Differing Color
A unique gene gives both sisters beautiful blue eyes. Morgan’s eyes are two distinct colors due to a hereditary disorder called heterochromia. She thus has two eyes: one blue and one brown.
Twitter: @stephboyd24
Two twin sisters are distinguished from one another by this trait, indicating that they are not exactly the same. It also facilitates distinguishing between the two sisters.
zi ang