We all know that siblings can have different fathers and technically making them half-siblings – but what about twins? Yes, it can happen. It is a rare phenomenon and can happen once in a billion cases that twin babies have different fathers.
We come across with a case of having different fathers for twins, and our scientists were also amazed by the result. Mr. Sanjay (changed name) of Muradabad (Changed place name) came to DNA Forensics Laboratory Pvt. Ltd. for a paternity DNA test to confirm that the children were his or not as his twins looked starkly different.
According to test results announced by our ISO certified lab, a set of twins found to carry the DNA of one mother but two different fathers. To confirm it we re-examined the DNA by retaking samples from the participants without any additional charges and found the same test results.
How is it possible?
It is possible that twins have different fathers in a phenomenon called heteropaternal superfecundation. A woman usually gets pregnant because one of her eggs must be fertilized with sperm. Identical twins occur if this fertilized egg divides into two distinct eggs into the early stages of pregnancy. Fraternal twins happen when the woman simultaneously releases multiple eggs that are fertilized by different sperm of the same man.
In this case, the woman took out several eggs in one week. During this small period, two eggs appear to have been fertilized by the sperm of the same men during the same period of ovulation. When we see twins, we can assume that both eggs were fertilized during single sexual intercourse, but it is entirely possible for one egg to be fed during intercourse and the other for another course.
However, if you know twins who are not alike, do not assume they have separate fathers. Like all siblings, twins with the same father can be completely different from each other.
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