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Find out how twins can be different, and how this is determined at the time of conception.Key facts
- Identical twins are created when a fertilized egg divides into two embryos.
- Mirror twins are identical twins with different characteristics, e.g. one will be right-handed and the other left-handed.
- Conjoined or Siamese twins are identical twins whose bodies are joined.
- Nonidentical or fraternal twins are created when two different eggs are fertilized by two different sperm at the same time.
Transcript
Twins: 2 individuals produced in the same pregnancy
1.9% of the world's population are twins
4 types of twins are...
1. Identical twins
1 egg is fertilized but divides into 2 embryos
They can have the same DNA profile
They can have similar brain wave patterns
And even matching …
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