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

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

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

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 »

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.

Are identical twins more common than fraternal twins?

No, about 1 in every 3 twins is an identical twin.Source:

Which is more common fraternal twins or identical twins?