This process is called superfetation. These are not fraternal twins, fraternal embryos are the same age. Can two sperm fertilize one egg and form twins? Created with Sketch. Once an egg is ...

This process is called superfetation. These are not fraternal twins, fraternal embryos are the same age. Can two sperm fertilize one egg and form twins? Created with Sketch. Once an egg is ...

What's the meaning of fraternal twins? Fraternal twins come ... They really balance each other out." – seti1st "My twins are 2 months and couldn't care less about each other.

But this only applies to fraternal twins. 2. Eat more sweet potatoes Women who naturally conceive twins are perceived to come from areas where sweet potatoes grow. Sweet potatoes improve the ...

But they share only a proportion of their father's DNA - placing them, genetically, somewhere between fraternal and identical twins. Experts say the phenomenon is extremely rare - embryos such as ...

A set of fraternal twins born in California have achieved an extremely rare feat - their birthdays fall in different years. Alfredo Antonio Trujillo was born at 23:45 local time (07:45 GMT ...