185,666 views
45 votes
45 votes
How are identical twins different than fraternal twins (explain by discussing sperm and egg)?

User ChristianM
by
2.5k points

1 Answer

23 votes
23 votes
To form identical, one fertilised egg splits and then develops into two babies with exactly the same genetic information. However to form fraternal twins, two eggs are fertilised by two sperm and produce two genetically unique children.
User Kiyo
by
3.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.