Question

read how are twins formed? to answer the following questions.

• dizygotic (fraternal) twins develop from fertilized by, so they are genetically like regular siblings.
• monozygotic (identical) twins develop from fertilized by that splits into two embryos, so they are genetically

Explanation:

• Dizygotic twins: Two separate eggs fertilized by two different sperm, genetically unique like regular siblings.
• Monozygotic twins: One egg fertilized by one sperm that splits into two embryos, genetically identical.

Answer:

• Dizygotic (fraternal) twins: two separate eggs, two different sperm, unique.
• Monozygotic (identical) twins: one egg, one sperm, identical.