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Alisha Janowsky
Created on October 2, 2025
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International by Alisha Janowsky
Identical (monozygotic) twins:
Alisha Janowsky
Created on October 2, 2025
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Transcript
Fraternal (Dizygotic) Twins
Identical (monozygotic) twins:
Occurs when a fertilized egg splits in two
Dizygotic twins (DZ) are from two fertilized eggs
Monozygotic twins (MZ) share 100% of their DNA
Like any siblings, DZ twins share 50% of their DNA
Critical Assumption
The Test
Research Evaluation
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International by Alisha Janowsky
ID vs. Fraternal Twins
ID Twins Raised Apart
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