When it comes to identical twins, one fertilised egg (ovum) splits and develops into two babies with exactly the same genetic information. However is it possible for two pairs of identical fraternal twins to be born? Two fertilised egg split to produce two pairs of identical twins.
Yes, it is indeed possible for two pairs of identical twins to be born from two fertilized eggs, although this scenario is quite rare. To clarify the terminology:
Now, the scenario you described involves two separate fertilized eggs, each of which splits to form identical twins. This can happen as follows:
Thus, the outcome would be four babies in total: two from the first zygote and two from the second zygote, with each pair being genetically identical.
Mechanisms and Considerations
Conclusion
While the phenomenon of two pairs of identical twins resulting from two fertilized eggs is theoretically possible, it is exceedingly rare. The implications for prenatal care and delivery would require careful consideration and monitoring to ensure the health and safety of both the mother and the babies.
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