Multiple choice

Why does your identical twin look exactly like you?

  1. Twins are made from the same zygote.

  2. Your twin shares the same DNA as you

  3. Your parents had your sibling cloned to look like you

  4. How do I know? I don't have a twin!

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Identical twins are monozygotic, meaning they develop from a single fertilized egg that splits into two. Consequently, they share the same genetic material (DNA).