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They don't. There are two types of twins, fraternal and identical. Current research shows no genetic connection to having Identical twins, anyone can have them.

Fraternal twins are caused by a female trait, dropping more than one egg at a time. There appears to be evidence that the trait can be inherited. While it appears to be on the mother's side of the family, it is certainly possible that this could be transmitted on the male side as well. This double dropping also occurs with older women as well.

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16y ago
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6mo ago

No, twins can have the same father or different fathers. Fraternal twins are the result of two separate fertilized eggs, each fertilized by a different sperm, while identical twins are the result of a single fertilized egg that splits into two embryos.

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13y ago

yes! however two man can only father fraternal twins (twins from two separate eggs and sperms)

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13y ago

Yes, biologically it is possibgle but it requires a bizarre set of circumstances:

you need two egg cells to mature at approximately the same time (preferably from separate ovaries).

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Q: Do twins have to have the same father?
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Related questions

Do identical twins always have the same father?

fraternal twins can have separate fathers.


How can a brother and sister be the same age but not twins or adopted?

Same father (half sibling)


Two women apply for a job They are identical They have the same mother father and birthday The interviewer asks Are you twins to which they honestly reply?

Yes, they are twins. Being born on the same day to the same parents makes them twins, even if they are identical.


Two babies born on the same day in the same hospital in the same year they had the same mother and father but r not twins how?

triplets


How do you determine who is the father if identical twins have same dna?

If identical twins have the same DNA, it would be impossible to determine which twin is the biological father based on genetic testing alone. In such a case, additional evidence or alternative testing methods would be needed to establish paternity.


Does the father contribute to indentical twins?

Yes, the father's genes contribute to the DNA of identical twins. Identical twins are formed when a single fertilized egg splits into two separate embryos, each carrying the genetic material from both the father and the mother.


I and my brother were born on the same moment to the same mother and father but we are not twins how is this so?

If you are 2 of 3 triplets or 2 of 4 quads, etc, then you would not be twins but you would have been born to the same parents at approximately the same moment.


Are twins genetic copies of each other?

They can share some DNA, since your mother/father was involved in them.


Two babies born on the same day in the same year with the same mother and father are not twins?

nobody noes except GOD or they could be triplets or more


Does the father determine identical twins?

They will think "why my father is always so tied?"


Ted and ed are brother they have the same mother and father but are born on the same day same time same hospital but are not twins how is that possible?

Ted and Ed are two of a set of triplets born together, with a third sibling. This means they share the same birthday, time of birth, and parents, but are not twins.


What is the father's name for the casey twins in Jagged Edge?

The father's name for the Casey twins in Jagged Edge is Thomas Krasny.