Fraternal twins come from two separate eggs, so they can be any combination Fraternal twins, originating from two separate fertilization events, can be different sexes and may still look quite similar Genetic testing is the definitive method to confirm whether twins are identical or fraternal. Yes, twins can be identical and different genders, but this phenomenon is extremely rare and involves unique genetic circumstances. Understand what are possible gender variations in identical twins and fraternal twins How baby's gender is determined
Factors responsible for twins sex. Find out more about the different types of twins and what to expect.
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