Can twins have a different father and can they be identical?

Answer Identical twins are born when a single fertilized egg splits an extra time early on to produce two copies that develop into two different babies. Identical twins MUST have a single father because t... Read More »

Top Q&A For: Can twins have a different father and can they ...

If identical twins had babies with identical twins, would the children be biologically siblings?

Biologically they'd be full siblings, if their twin parents married singlets their cousins would be biologically half siblings.

What do you call identical twins that develop from two different eggs that are fertilized by different sperm?

That isn't possible: if the twins are from two different eggs, fertilized by different sperm, then they will not be identical. It's genetically impossible.

If a girl slept with two identical twins and got pregnant, would both twins...?

I Think the Careful Analysis of the DNA (Germline), Would Reveal Some Difference. E. g., the Incorporation, of Viral DNA.

Which is more common fraternal twins or identical twins?