Answer
Fraternal twins: Two eggs are released and both are fertilized. These twins are not genetically identical.
Identical twins: Zygote splits into two embryos. These twins are genetically identical.
Work Step by Step
As above
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.